2 0 2 3 MARINE PRODUCTS SELECTION
Heating Systems Pumps whalepumps.com Actuators Trim Tab System lencomarine.com AC Shore Power Marine Accessories marinco.com Batteries Power Conversion mastervolt.us Battery Chargers promariner.com Battery Management Circuit Protection Power Distribution bluesea.com Lighting Marine Accessories Water and Fuel Systems attwoodmarine.com Digital Control & Monitoring Onboard Offboard UX czone.net Wire Wire Management ancorproducts.com Trolling Motors motorguide.com Lithium Batteries Portable Power AGM Batteries relionbattery.com Metal Fabricated Hardware garelick.com Battery Management Power Distribution bepmarine.com Chartplotters Fishfinders Sonar & Radar Trolling Motors lowrance.com Chartplotters Radar Autopilots Sonar Technology simrad-yachting.com Chartplotters Displays Instruments Sensors bandg.com Marine Cartography c-map.com Your most trusted partner Navico Group is the world’s leading supplier of integrated systems and products to industries ranging from marine to recreational vehicles. We bring together the best brands, products and people to create groundbreaking innovations that reinvent the consumer experience. Our broad portfolio of the industry’s leading brands in power management, digital control & monitoring, networked devices, and marine electronics are distributed globally to a diverse aftermarket and OEM customer base. Navico Group is driven, every day, to be the world’s most trusted partner to the marine and mobile industries, and beyond. AVICO GROUP
I Founder's Vision Attwood has been a proven marine industry leader for over 100 years. Our wide range of products, including general marine accessories, seat & table hardware, and water systems & ventilation are tested to the highest USCG, ABYC, and CE standards. At Attwood, quality is our highest priority. I Innovation & Engineering Attwood products are designed and tested to ensure performance and reliability. I Product Focus Attwood is the leading supplier to OEM’s in a majority of our categories, including general marine accessories, fuel systems, lighting, seat & table hardware, and water systems & ventilation. I Global Reach A global distribution network provides convenient access to products when they are needed. I Industry Standards Industry involvement ensures products meet industry safety & regulatory standards. I Trusted Quality Highest quality products and systems you can trust. What makes Attwood different:
Products Sahara Mk2 Automatic Bilge Pump The easiest, most reliable automatic bilge pump ever designed. Attwood is proud to introduce Sahara Mk2, the ONLY automatic bilge pump that eliminates air locks. What makes Sahara Mk2 so innovative is the patented X-Air™ Impeller. Its engineered performance forces air bubbles trapped in the hose and underside of the pump out of the pipework, so that the pump will not run dry and burn out. This breakthrough technology makes Sahara Mk2 the most reliable automatic bilge pump in freshwater AND saltwater applications. Tsunami Mk2 Manual Bilge Pump The easiest, most reliable manual bilge pump ever designed. Attwood is proud to introduce Tsunami Mk2, the ONLY manual bilge pump that eliminates air locks. What makes Tsunami Mk2 so innovative is the patented X-Air™ Impeller. Its engineered performance forces air bubbles trapped in the hose and underside of the pump out of the pipework, so that the pump will not run dry and burn out. This breakthrough technology makes Tsunami Mk2 the most reliable manual bilge pump in freshwater applications. 12 16 C:0 M:0 Y:0 K:100
Products PowerGuard PRO Battery Box The only battery box designed with water resistant ventilation to better preserve your battery and protect those onboard. Built upon the existing strengths of the PowerGuard 27 Series, the new PowerGuard PRO is designed with improvements that offer real value. Developed as a platform for boaters, anglers, and hobbyists alike; the new PowerGuard PRO sets the standard in battery box offerings. 133 PowerBase Series The intelligent, automated folding light & antenna. Attwood is proud to introduce the PowerBase Series, PowerBase easily stows and deploys lights and antennas with the push of a button. 64
Water Systems & Ventilation Bilge Pumps 12 Aerator Pumps 19 Bilge & Float Switches 21 Sump Boxes 22 Shower Systems 23 Battery & Hand Operated Pumps 24 Pump Kits & Accessories 25 Plumbing System Fittings 27 Stainless Steel Thru-Hulls & Scupper Valves Fittings 28 Stainless Steel Capped Composite Thru-Hulls 31 Plastic Thru-Hulls & Scupper Valve Fittings 32 Drains, Drain Plugs & Tubes 33 In-Line Blowers 36 Vents & Collector Boxes 20 Fuel Portable Fuel Systems Overview 80 Portable Fuel Tanks 81 Portable Fuel Components 82 Fuel Tanks & Hose Fittings 86 Integrated Fuel Systems Overview 88 Integrated Fuel Systems Components 91 Accessories 97 Portable Fuel Components —International 100 Integrated Fuel Components —International 101 Table of Contents p. 12 p. 16 p. 19 p. 22 p. 24 p. 37 p. 36 p. 35 p. 82 p. 83 p. 81 p. 102 p. 85 p. 31 p. 45 p. 69 p. 72 p. 73 p. 68 p. 67 p. 59 Lighting Navigation Overview 42 Deck Mount Sidelights 46 Pole Mounted Plug-In Sidelights 50 All-Round Plug-In Lights Overview 53 All-Round Plug-In Lights 54 All-Round Plug-In Bases 59 PowerBase Series 62 All-Round Fold-Down Lights 64 All-Round Fixed Base Lights 66 Anchor/Masthead Lights 67 Transom Lights 68 LED Portable Lighting 69 LED Docking Lights 70 LED Underwater Lights 71 LED Utility Lights 73 Lighting Accessories & Replacements 75 p. 87 p. 95 p. 91 p. 93 p. 50 p. 54 p. 62
Marine Accessories Anchoring & Mooring Equipment 102 Marine Ropes & Cordage 108 Fishing Rod Holders & Accessories 115 Marine Maintenance Products 122 Interior & Boating Accessories 123 Electrical Accessories 129 Paddlesports & Accessories 137 Trailering Parts & Accessories 144 Appendix & Index Part Number Index 206 Hardware Cleats 156 Lift Rings 161 Hawse Pipes & Bow Eyes 162 Hooks 163 Water Ski Hardware 164 Bimini Style Convertible Top Accessories 166 Hinges 167 Hatch & Door Hardware 169 Hand Rails & Handles 171 Gas Springs & Accessories 172 Mounting Brackets 174 Seating Systems Seat Types & ABYC Requirements 180 The Factors of Seating Comfort 181 Seating Offerings 182 Fishing Seats 184 Seating Systems 187 Pedestal Systems & Accessories 192 p. 156 p. 164 p. 172 p. 167 p. 169 p. 161 p. 162 p. 163 p. 184 p. 196 p. 185 p. 192 p. 193 p. 203 p. 200 p. 204 p. 115 p. 102 p. 104 p. 105 p. 109 p. 171 p. 111 p. 125 p. 129 p. 144 p. 140
Bilge & Aerator Pumps Pump Kits WATER SYSTEMS & VENTILATION Sump Pump Boxes Accessories & Fittings 22 25 26 Complete shower sump pump systems deliver fast water flow into and out of the sump with easy installation. Meets or exceeds all applicable standards of the ABYC and USCG. Aerator and bilge pump kits are crafted to provide convenience, even while you are underway. Required accessories and fittings that can be found within our pump kits or sold separately for easy replacement. Attwood pumps are tested and approved as standard equipment by leading boat manufacturers. Bilge and aerator pumps are engineered for high performance, easy installation, and meet U.S. and International certificates and standards. 12
Thru-Hull & Scupper Valve Fittings WATER SYSTEMS & VENTILATION Drain & Drain Plugs In-Line Blowers Vents & Collector Boxes 28 33 36 37 Backed by Attwood's trusted lifetime warranty, our easy to install thru-hulls and scupper valves are built with rugged stainless steel and a solid silicone gasket. Durable hardware that you can rely on to provide bilge drainage when hauling out. Attwood in-line blowers provide ventilation for engine compartments, galleys, and bilges. Utilizing advanced fan blade design techniques, Attwood has developed a blower system that matches air flow of existing in-line blowers at a significantly reduced noise level. All collector boxes and vents are designed for intake or exhaust and meet ABYC H-2 requirements.
attwoodmarine.com WATER SYSTEMS & VENTILATION 10 Complete Selection A complete selection of pumps and blowers are available for fishing boats, runabouts, cruisers, yachts, and commercial boats. Attwood pumps and blowers are tested and approved as standard equipment by leading boat manufacturers. Bilge and Aerator Pumps The Heavy-Duty 1700 and 2000 bilge pumps have established Attwood into the commercial market with value-loaded industrial-duty features and performance. The Tsunami series of cartridge style bilge and aerator pumps are engineered for higher performance in the most service friendly design imaginable. Their cartridge style allows quick and easy replacement without the need to remove hoses or mounting bases. Automatic Bilge Pumps All boats over 20' long with sleeping accommodations (excluding fold-out cockpit seats) should use automatic bilge pump systems. Non-automatic pumps drawing 12A or less can easily convert to automatic operation with Attwood Automatic Float Switches (page 21). Our Sahara Series of automatic pumps range from 500 to 1200 GPH capacities. Bilge pumps are designed to exhaust standing water only. They are not intended to prevent accumulation of on-board water due to rough weather, hull damage, and/or other unsafe navigational conditions. Note: Bilge and aerator pumps must be lower than the source of water for priming. Turbo In-Line Blowers Attwood offers ventilation equipment and accessories featuring the revolutionary, patented Turbo In-Line Blowers for 3"- and 4"-diameter systems. Turbo blowers are the most dependable, efficient, and powerful in-line blowers on the market, designed using aerospace technology. The Turbo line also features the industry’s first water-resistant blower models, with durability proven in rigorous moisture tests and years of success in the field. Attwood offers Turbo water-resistant blowers with an unprecedented three-year limited warranty, and a one-year limited warranty for standard models. Certification, Standards, and Listings - Pumps All Attwood pumps meet or exceed the following U.S. and international certificates and standards: • ABYC H-22 • ISO 8846, 8849 Marine • U.S. Coast Guard Rule, Title 33CFR sections 183.410 and 33CFR 183.425 • NMMA “As Approved Listing” • CE • RCA • All pumps are marine ignition protected
attwoodmarine.com WATER SYSTEMS & VENTILATION 11 Brown – Positive, Black – Negative, Brown & White – Manual Override Standard 2-Way Molded (MP1) Packard Connector Packard Connector, Water-Resistant Amp Connector Amp Connector, Water-Resistant Quick Silver Connector Deutsch Connector Delphi Connector Certifications, Standards and Listings - Blowers Attwood in-line blowers meet or exceed the following U.S. and international certificates and standards: • ABYC-H2; ISO 9097 • U.S. Coast Guard Rules, Title 33 CFR sections 183.410, and 183.610 (b) • Tested to ANSI/AMCA (210-85) and ANSI/ASHRAE (51-1985) standards • NMMA “As Approved Listing” • CE • RCA Choice of Electrical Connectors Attwood pumps feature several wire attachment styles to adapt to your boat’s wiring harness. Standard wire on all pumps are tinned and caulked 16-gauge for butt connection. All pumps ignition protected. Special connectors are available on special order by contacting your Attwood representative. Minimum order quantity is 250. • Packard Connector • Packard Connector, Water-Resistant • Amp Connector • Amp Connector, Water-Resistant • Deutsch Connector • Quick Silver Connector • Delphi Connector
attwoodmarine.com WATER SYSTEMS & VENTILATION 12 Automatic Bilge Pumps Sahara Mk2 is the only automatic bilge pump that eliminates air-locks • Patented X-Air™ Impeller ejects trapped air in the pump and pipework. Sahara Mk2 is the easiest automatic bilge pump to install and service • External mounting feet and integrated outlet reduces time and effort. • Universal mounting pattern makes replacement simple. • Service pump cartridge from hard-to-reach areas using only one hand. Sahara Mk2 is the most reliable automatic bilge pump in freshwater and saltwater applications • Attwood’s SteadySwitch™ reduces cycling and extends the life of the pump. • 40% better protection against water ingress and electrolysis - vs. Mk1. • 2X better protection against water ingress and electrolysis - than the leading competition. Certifications, Standards and Listings The Sahara Mk2 Automatic Bilge Pumps meet or exceed the following U.S. and international certificates and standards: Marine electrical wiring standards • ABYC E-11 • ISO 10133 • U.S. Coast Guard Rule, 33CFR-183.425 Approvals • NMMA "As approved listing" • CE, RCM, UKCA Bilge pumps standards • ABYC H-22 • ISO 8849 • ISO 15083 Ignition protection standards • ABYC C-1500 • ISO 8846 Marine • U.S. Coast Guard Rule, 33CFR-183.410 Bilge Pumps Patented X-Air™ Impeller: Prevents air locking so that the pump will not run dry and burn out. Single-Hand Pump Cartridge Release: Convenient when trying to access a pump located in a hard-to-reach area of the boat’s hull. Exterior Mounting Feet: Eliminates the need to remove the basket, saving OEMs time on production lines. Flexible Outlets: 90° rotatable elbow outlet allows users to install the pump anywhere in a full 360° orientation.
attwoodmarine.com WATER SYSTEMS & VENTILATION 13 5505 5509 5512 Model No. Rated Volts DC Fuse Size Outlet Type Check Valve Wire Length OEM Part # OEM Outlet Straight OEM Outlet 90° Part # Service Kit S800 12V 4A 3/4" (19mm) & 1" (25mm) Barbs Yes 29-1/2" (750mm) — — — 5508-7 AK5505-7 3/4" (19mm) Barb No 29-1/2" (750mm) 5508-2 — — — — 1-3/8" Threaded* Optional 29-1/2" (750mm) 5508-1 AS5505S-1 AS5505E-1 — AK5505-7 24V 2A 3/4" (19mm) & 1" (25mm) Barbs Yes 29-1/2" (750mm) — — — 5509-7 AK5505-7 3/4" (19mm) Barb No 29-1/2" (750mm) 5509-2 — — — — 1-3/8" Threaded* Optional 29-1/2" (750mm) 5509-1 AS5505S-1 AS5505E-1 — AK5505-7 * Must be used with appropriate Sahara outlet. Model No. Rated Volts DC Fuse Size Outlet Type Check Valve Wire Length OEM Part # OEM Outlet Straight OEM Outlet 90° Part # Service Kit S500 12V 3A 3/4" (19mm) & 1" (25mm) Barbs Yes 29-1/2" (750mm) — — — 5505-7 AK5505-7 3/4" (19mm) Barb No 29-1/2" (750mm) 5505-2 — — — 1-3/8" Threaded* Optional 29-1/2" (750mm) 5505-1 AS5505S-1 AS5505E-1 — AK5505-7 Model No. Rated Volts DC Fuse Size Outlet Type Check Valve Wire Length OEM Part # OEM Outlet Straight OEM Outlet 90° Part # Service Kit S1200 12V 5A 1" (25mm) & 1-1/8" (28mm) Barbs Yes 29-1/2" (750mm) — — — 5512-7 AK5512-7 1-1/8" (28mm) Barb No 29-1/2" (750mm) 5512-2 — — — — 1-3/8" Threaded* Optional 29-1/2" (750mm) 5512-1 AS5512S-1 AS5512E-1 — AK5512-7 24V 2A 1" (25mm) & 1-1/8" (28mm) Barbs Yes 29-1/2" (750mm) — — — 5513-7 AK5512-7 1-1/8" (28mm) Barb No 29-1/2" (750mm) 5513-2 — — — — 1-3/8" Threaded* Optional 29-1/2" (750mm) 5513-1 AS5512S-1 AS5512E-1 — AK5512-7 Mounting Pattern Compatibility Rulemate (Old) Johnson Ultima Sahara Mk1 Rulemate (New)/DA/SA Shoreline Johnson Float
attwoodmarine.com WATER SYSTEMS & VENTILATION 14 88mm 3-1/2" 73mm 2-7/8" 133mm 5-1/4" 102mm 4" ø 4mm 1/8" 1-3/8" UNF 154mm 6-1/16" 103mm 4-1/16" ø 28mm 1-1/8" 208mm 8-3/16" ø 28mm 1-1/8" ø 25mm 1" 205mm 8-1/16" 118mm 4-5/8" ø 28mm 1-1/8" ø 25mm 1" 155mm 6-1/16" 103mm 4-1/16" ø 19mm 3/4" 209mm 8-3/16" ø 25mm 1" ø 28mm 1-1/8" 199mm 7-13/16" 115mm 4-1/2" ø 28mm 1-1/8" ø 19mm 3/4" Sahara Mk2 1200 Barb Sahara Mk2 1200 with Outlet - Straight Sahara Mk2 1200 with Outlet - 90° Elbow Sahara Mk2 500/800 Barb Sahara Mk2 500/800 with Outlet - Straight Sahara Mk2 500/800 with Outlet - 90° Elbow Bilge Pump Dimensions Performance Charts 0.00 2.00 4.00 6.00 8.00 10.00 12.00 0 200 400 600 800 1000 1200 1400 Head (ft) Flow (US GPH) Flow Rate Sahara Mk2 500 Sahara Mk2 500 with NRV Sahara Mk2 800 Sahara Mk2 800 with NRV Sahara Mk2 1200 Sahara Mk2 1200 with NRV 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00 0 200 400 600 800 1000 1200 1400 Current (amps) Flow (US GPH) Current Draw Sahara Mk2 500 Sahara Mk2 800 Sahara Mk2 1200 800/1200 24V
attwoodmarine.com WATER SYSTEMS & VENTILATION 15 Heavy-Duty Bilge Pumps Integrates the highest quality bearings, brushes, alloys and magnets designed to withstand extreme usage cycles. Pump also employs an exclusive shaft and motor compartment, reducing wear and significantly extending pump life. Advanced resin compositions incorporated into exterior to resist chemicals such as engine oil, aggressive detergents and hose plasticisers. Attwood’s Heavy Duty Bilge has unsurpassed durability and efficiency in a compact design to ensure electrical energy is converted to the pump rather than excess heat. This pump is fully submersible. Specifications GPH Output @ Design Voltage 13.6V DC GPH Output @ Nominal Voltage 12.0V DC Model No. Rated Voltage Amp Draw 0 ft 3.3 ft 6.7 ft Max Head Amp Draw 0 ft 3.3 ft 6.7 ft Max Head Fuse Size Hose Size HD1700 12V 5.7 1700 1300 950 12 ft 5.1 1500 1100 800 11 ft 10A 1-1/8" I.D. HD2000 12V 6.6 2000 1600 1230 17 ft 6 1800 1500 1200 16 ft 12A 1-1/8" I.D. 24V 3.5 2000 1600 1230 17 ft 2.9 1800 1500 1200 16 ft 7A 1-1/8" I.D. HD1700 Pump The perfect upgrade from 1500 GPH rated pumps,especially older, over-rated designs. Delivers a true 1700 GPH at open flow while drawing less than 6A. Model No. Rated Voltage Wire/ Connector OEM Part # Part # HD1700 12V 36" wire 4730-1 4730-4 HD2000 Pump Attwood’s highest capacity bilge pump! Ball-bearing design provides for cooler motor operation and longer life. Delivers over 2000 GPH at open flow while drawing less than 7A. Model No. Rated Voltage Wire/ Connector OEM Part # Part # HD2000 12V 36" wire 4760-1 4760-4 24V 36" wire 4770-1 4770-4 Molded two-wire seal eliminates a potential leak path Enhanced SS alloy motor shaft resists corrosion and reduces shaft seal degradation Tinned and caulked wire improves corrosion- resistance and eliminates water damage High-efficiency permanent magnet motor utilizes composite brushes and lubricated bearings to ensure long life under the most aggressive load conditions Mechanically energized shaft seal improves pump durability and extends motor life Locking tab and base swivel feature allow for 8 unique mounting positions Interior and exterior attachment holes offer multiple mounting options Rugged glass- and mineral-filled polymer components withstand hull pounding, harsh bilge environments plasticizers Rotating outlet provides for improved hose installation 5.97" 3.83" Anti-Airlock nozzle exhausts air that causes air lock while preventing spray streams 4730 HD 1700 Pump with Anti-Airlock nozzle 4760 HD 2000 Pump with Anti-Airlock nozzle
attwoodmarine.com WATER SYSTEMS & VENTILATION 16 Manual Bilge Pumps Tsunami Mk2 is the only manual bilge pump that eliminates air-locks • Patented X-Air™ Impeller ejects trapped air in the pump and pipework. Tsunami Mk2 is the easiest manual bilge pump to install and service • Backwards compatible hole pattern and motor cartridges of Tsunami Mk1 bilge and aerator pumps. • External mounting feet and integrated outlet reduces time and effort. • Service pump cartridge from hard-to-reach areas using only one hand. Tsunami Mk2 is the most reliable manual bilge pump in freshwater applications • 40% better protection against water ingress and electrolysis - vs. Mk1. Certifications, Standards and Listings The Tsunami Mk2 Manual Bilge Pumps meet or exceed the following U.S. and international certificates and standards: Bilge pumps standards • ABYC H-22 • ISO 8849 • ISO 15083 Ignition protection standards • ISO 8846 Marine Marine electrical wiring standards • ABYC E-11 • ISO 10133 • U.S. Coast Guard Rule, 33CFR-183.425 Approvals • NMMA "As approved listing" • CE, RCM, UKCA Patented X-Air™ Impeller: Preventsair locking so that the pump will notrun dry and burn out. Single-Hand Pump Cartridge Release: Convenient when trying to access a pump located in a hard-to-reach area of the boat’s hull. Exterior Mounting Feet: Eliminates the need to remove the basket, saving OEMs time on production lines. Flexible Outlets: 90° rotatable elbow outlet allows users to install the pump anywhere in a full 360° orientation. C:0 M:0 Y:0 K:100
attwoodmarine.com WATER SYSTEMS & VENTILATION 17 5608 5606 Model No. Rated Volts DC Fuse Size Outlet Type Check Valve Wire Length OEM Part # OEM Outlet Straight OEM Outlet 90° Part # Service Kit T1200 12V 6A 1" (25mm) & 1-1/8" (28mm) Barbs Y 29" (735mm) — — — 5612-7 AK5612-7 12V 6A 1-1/8" (28mm) Barb N 29" (735mm) 5612B-1 — — — — 12V 6A 1-3/8" Threaded* Optional 29" (735mm) 5612-1 AS5612S-1 AS5612E-1 — AK5612-7 T1200 24V 3A 1" (25mm) & 1-1/8" (28mm) Barbs Y 29" (735mm) — — — 5613-7 AK5612-7 24V 3A 1-1/8" (28mm) Barb N 29" (735mm) 5613B-1 — — — — 24V 3A 1-3/8" Threaded* Optional 29" (735mm) 5613-1 AS5612S-1 AS5612E-1 — AK5612-7 * Must be used with appropriate Tsunami outlet. Model No. Rated Volts DC Fuse Size Outlet Type Check Valve Wire Length OEM Part # OEM Outlet Straight OEM Outlet 90° Part # Service Kit T500 12V 3A 3/4" (19mm) & 1" (25mm) Barbs Y 29" (735mm) — — — 5606-7 AK5605-7 12V 3A 3/4" (19mm) Barb N 29" (735mm) 5606B-1 — — — — 12V 3A 1-3/8" Threaded* Optional 29" (735mm) 5606-1 AS5605S-1 AS5605E-1 — AK5605-7 Model No. Rated Volts DC Fuse Size Outlet Type Check Valve Wire Length OEM Part # OEM Outlet Straight OEM Outlet 90° Part # Service Kit T800 12V 5A 3/4" (19mm) & 1" (25mm) Barbs Y 29" (735mm) — — — 5608-7 AK5605-7 12V 5A 3/4" (19mm) Barb N 29" (735mm) 5608B-1 — — — — 12V 5A 1-3/8" Threaded* Optional 29" (735mm) 5608-1 AS5605S-1 AS5605E-1 — AK5605-7 T800 24V 2A 3/4" (19mm) & 1" (25mm) Barbs Y 29" (735mm) — — — 5609-7 AK5605-7 24V 2A 3/4" (19mm) Barb N 29" (735mm) 5609B-1 — — — — 24V 2A 1-3/8" Threaded* Optional 29" (735mm) 5609-1 AS5605S-1 AS5605E-1 — AK5605-7 5612 Mounting Pattern Compatibility Tsunami Mk1 500 Tsunami Mk1 800 / 1200 Johnson L Series
attwoodmarine.com WATER SYSTEMS & VENTILATION 18 500 Dimensions 800 Dimensions 1200 Dimensions 0 2 4 6 8 10 12 14 16 0 200 400 600 800 1000 1200 Flow Rate Tsunami Mk2 500 Tsunami Mk2 500 with NRV Tsunami Mk2 800 Tsunami Mk2 800 with NRV Tsunami Mk2 1200 Tsunami Mk2 1200 with NRV Flow Rate (US GPH) Head (ft) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 0 200 400 600 800 1000 1200 Tsunami Mk2 500 Tsunami Mk2 800 Tsunami Mk2 1200 Current Draw Current (A) Flow Rate (US GPH) C:0 M:0 Y:0 K:100 6.6" 167mm 6.4" 163mm 4.4" 112mm 4.5" 115mm ø 1-1/8" 28mm ø 1" 26mm ø 1-1/8" 28mm ø 1" 26mm 6.1" 155mm 5.7" 145mm 3.6", 91mm 3.7" 93mm 3.8" 97mm ø 1" 26mm ø 3/4" 19mm ø 1" 26mm ø 3/4" 19mm ø 1" 26mm ø 3/4" 19mm 6.6" 168mm ø 1" 26mm ø 3/4" 19mm 6.2" 157mm 4.0", 101mm 4.0", 101mm 4.3" 110mm 4.5" 114mm 4.1" 104mm ø 1-1/8" 28mm 3.4" 86mm ø 3/4" 19mm ø 3/4" 19mm 3.8" 96mm Bilge Pump Dimensions Performance Charts 56xx Models 56xxB Models All Models
attwoodmarine.com WATER SYSTEMS & VENTILATION 19 Tsunami Mk1 Aerator Pumps With their innovative engineering and compact design, Tsunami pumps deliver high output from a small package. We use the most advanced material available, including the best quality bearings and state-of-the-art brushes, alloys and magnets. Our patented shaft seal prevents leaks caused by misalignment and our caulked and tinned wiring eliminates wicking, prevents water damage and resists corrosion. Pump Dimensions Model Application A B C D E F G T500 Thru-Hull 3-1/2" or 1-1/2" 3" or 1" 3-1/4" 2-7/8" 3-5/8" 3/4-14 NPSM 3/4-14 NPSM Seacock 1-1/2" 1" 3-1/4" 2-7/8" 3-5/8" 3/4-14 NPT 3/4-14 NPSM T800 Thru-Hull 3-1/2" or 1-1/2" 3" or 1" 3-7/8" 3-1/4" 4" 3/4-14 NPSM 3/4-14 NPSM Seacock 1-1/2" 1" 3-7/8" 3-1/4" 4" 3/4-14 NPT 3/4-14 NPSM T1200 Thru-Hull 3-1/2" or 1-1/2" 3" or 1" 4" 3-1/4" 4-7/8" 1-3/8-12 UNF 1-3/8-12 UNF Seacock 1-1/2" 1" 4" 3-1/4" 4-7/8" 1-11-1/2 NPT 1-3/8-12 UNF Specifications GPH Output @ Design Voltage 13.6V DC GPH Output @ Nominal Voltage 12.0V DC Model No. Rated Voltage Amp Draw 0 ft 3.3 ft 6.7 ft Max Head Amp Draw 0 ft 3.3 ft 6.7 ft Max Head Fuse Size Hose Size T500 12 1.8 500 440 260 9 ft 1.4 450 330 160 8 ft 3A 3/4" O.D. T800 12 3 800 670 525 9 ft 2.5 750 555 370 8 ft 4A 3/4" O.D. T1200 12 3.5 1200 840 570 9 ft 3 1140 790 450 8 ft 5A 1-1/8" O.D. Tsunami Aerator Pumps & Accessories No mounting brackets necessary. Model No. Inlet Length & Diameter Outlet Style & I.D. Diameter Rated Voltage Wire/ Connector OEM Part # Part # Tsunami Aerator Pumps T500 3-1/2" L x 3/4" Threaded - 3/4" 12V 29" wire 4640-1 4640-7 1-1/2" L x 3/4" Threaded - 3/4" 12V 29" wire 4641-1 — 7/8" L x 3/4" Threaded - 3/4" 12V 29" wire used with 3/4" seacock 4643-1 4643-7 T800 3-1/2" L x 3/4" Threaded - 3/4" 12V 29" wire 4650-1 4650-7 1-1/2" L x 3/4" Threaded - 3/4" 12V 29" wire 4651-1 — T1200 3-1/2" L x 1-1/8" Threaded - 1-1/8" 12V 29" wire 4660-1 4660-7 1-1/2" L x 1-1/8" Threaded - 1-1/8" 12V 29" wire 4661-1 — 7/8" L x 1" Threaded - 1-1/8" 12V 29" wire used with 1" seacock 4663-1 — Tsunami Replacement Motor Cartridges T500 12V 29" wire — 4620-6 T800 12V 29" wire — 4622-6 T1200 12V 29" wire — 4624-6 G A B F E C D 4640 4650 4660 90° threaded hose-to-barb connector Straight threaded hose-to-barb connector Engineered composite inlet and body withstand stresses associated with hull pounding and resist deteriorating effects of caulks Thread sizes accommodate standard filter screens, 3/4"- 14 NPSM thread on T500 and T800 aerator, and 1"-11.5 NPSM thread on T1200 aerator Motor cartridge locks for secure placement and unlocks for easy cleaning, maintenance and replacement Water-cooled housing reduces heat buildup to extend motor life Aerator Pumps
attwoodmarine.com WATER SYSTEMS & VENTILATION 20 Tsunami Dual Outlet Aerator Pumps The advantage of the dual outlet is that you can feed multiple applications through a single thru-hull fitting. The Tsunami second outlet is integrated into the pressure chamber, so it looks – and pumps – like part of the aerator. Both of the pump’s outlets are engineered for the precise position and angle that will deliver optimum performance. F B A C D E G H 4670 90° threaded hose-to-barb connector Straight threaded hose-to-barb connector Thread sizes accommodate standard filter screens, 3/4"-14 NPSM thread on T500 and T800 aerator, and 1"- 11.5 NPSM thread on T1200 aerator Engineered composite inlet and body withstand stresses associated with hull pounding and resist deteriorating effects of caulks Rinse Hose plus Livewell High Pressure Washdown plus Livewell Motor cartridge locks for secure placement and unlocks for easy cleaning, maintenance and replacement Water-cooled housing reduces heat buildup to extend motor life Supply Two Livewells Applications: Pump Dimensions Part No. Inlet Length Inlet Dia. A B C D E F G H 4672 3-1/2" 3/4" 3-1/4" 3" 4-1/8" 4-1/4" 4" 3/4-14 NPSM 3/4" Barbed .554" I.D. 3/4-14 NPSM .620" I.D. 4670 3/4" 3/4" 1-1/4" 7/16" 4-1/8" 4-1/4" 4" 3/4-14 NPT 3/4" Barbed .554" I.D. 3/4-14 NPSM .620" I.D. Specifications GPH Output @ Design Voltage 13.6V DC GPH Output @ Nominal Voltage 12.0V DC Both Outlets Open Both Outlets Open Oulet Amp Draw 0 ft 3.3 ft 6.7 ft Max Head 0 ft Amp Draw 0 ft 3.3 ft 6.7 ft Max Head 0 ft Fuse Size Upper 3.0 750 600 460 13 ft 880 2.5 670 500 390 11 ft 770 4A Lower 3.0 750 620 480 13 ft 880 2.5 690 550 420 11 ft 770 4A Tsunami Dual Outlet Aerator Pumps & Accessories No mounting brackets necessary. Model No. Inlet Length & Diameter Rated Voltage Wire/ Connector OEM Part # Part # Tsunami Dual Outlet Aerator Pumps T800 3-1/2" L x 3/4" 12V 29" wire 4672-1 4672-7 7/8" L x 3/4" 12V 29" wire, use with 3/4" seacock 4670-1 4670-7 Tsunami Replacement Motor Cartridge T800 12V 29" wire — 4622-6
attwoodmarine.com WATER SYSTEMS & VENTILATION 21 4801 Bildge & Float Switches S3 Series Automatic Bilge Switches Incorporates a proprietary Electronic Sensing technology to detect bilge water levels and trigger pump activation and has been engineered to operate in any bilge water mixture consistently without failure. Your pump won’t be exposed to continuous cycling as the S3 switch can easily distinguish splashing bilge water, chemicals, sludge build up or foam, and comes equipped with fully sealed electronics that are completely protected from water or chemical damage. For added convenience, the bilge switch can be mounted on the floor of the bilge, directly to a stringer wall, or alongside the basket of the pump without added components or brackets. The S3 Series switch is also directly compatible with all competitive products and free of moving parts that can jam up, break or wear out over time. Marine ignition protected and RoHS compliant. Description Max. Pump Amp Draw Rated Voltage Wire OEM Part # Part # Switch, White 15A 12V 36" wire 4801-1 4801-7 Automatic Float Switches Converts bilge pumps to fully automatic operation. Maximum amp draw is 12A (at 12V DC) or 6A (at 24V DC). Features a compact, low-profile design that mounts on any surface from horizontal up to a 24° angle. Incorporates a reliable and affordable mechanical switch that actuates pump motor at 2" water level. Wire leads do not flex or hinge with the float as on some competitive models. Integral cover dampens bilge sloshing to reduce pump cycling, and prevents debris interference. Sealed switch mechanism resists moisture, fume-ignition, and electrical shock. Contains no mercury, which is listed as a health hazard and “Persistent Toxic Substance” in over 26 states. Marine ignition protected and RoHS compliant. Float Switch with Cover Description Rated Voltage Wire/Connector OEM Part # Part # Float switch with cover 12V and 24V CE rated 36" wire 4201-1 4201-7 Float Switch Description Rated Voltage Wire/Connector OEM Part # Part # Float switch 12V and 24V CE rated 36" wire 4202-1 4202-7 4201 4202 5-1/4" 3-7/8" 2-7/8" 2-7/8" 2-7/8" 3-7/8" 4-1/4" 1-3/8" 2-5/8" Float Switch Cover Test Knob
attwoodmarine.com WATER SYSTEMS & VENTILATION 22 Shower Sump Pump Systems Attwood’s shower sump systems deliver the performance you’ve been asking for. Choose from standard box or large box sizes. Offering fast water flow into and out of sump. The lid snaps in to allow quick installation (and removal for cleaning) and includes a gasket to seal the sump box against overflow. The sump box even includes an air vent to prevent air locks. Meets or exceeds all applicable standards of the ABYC and USCG. 4143 4141 Sump Boxes Output Ratings GPH Output @ Design Voltage 13.6V DC GPH Output @ Nominal Voltage 12.0V DC Model Amp Draw 0 ft 3.3 ft 6.7 ft 0 ft 3.3 ft 6.7 ft 500 GPH 1.4 420 360 215 385 290 130 750 GPH 2.5 650 500 385 570 420 290 Performance for 24V version is the same (Uses 2 Amp Fuses) Model No. Rated Voltage Fuse Size Outlet Hose Size Wire/ Connector Box Size OEM Part # Part # 500 GPH 12V 3A 3/4" I.D. 22" wire Standard 4141-1 4141-4 750 GPH 12V 5A 3/4" I.D. 22" wire Standard 4142-1 — 750 GPH 12V 5A 3/4" I.D. 22" wire Large 4143-1 4143-4 750 GPH 24V 2A 3/4" I.D. 22" wire Large 4144-1 — 750 GPH 24V 2A 3/4" I.D. 22" wire Standard 4145-1 — Lid Standard 001001668 — Lid Large 001001667 — Optional Inlet Locations Outlet Overboard Galley Sink Shower Stall Head Sink Multiple Inlets Can Be Hooked Up to More Than One Drain – Using Different Hose Sizes Outlet Overboard Optional Inlet Locations Outlet Overboard Galley Sink Shower Stall Head Sink
attwoodmarine.com WATER SYSTEMS & VENTILATION 23 Hot/Cold Aft-Deck Shower Install flush in the transom or under the gunwale. Includes hinged cover and replaceable sprayer head. Fixtures are corrosion-resistant. Housing and cover are made of high-impact, UV resistant, engineering-grade plastic and are pre-drilled for six #8 fasteners. Comes with 6' hose, shut-off, and hot/cold mixing controls. Connects to freshwater system for showering. OEM Part # Part # 4131-1 4131-4 8-1/2" 9-1/2" 5" 3-7/8" 2-1/4" 8-1/2" 9-1/2" 5" 3-7/8" 2-1/4" Cold Water Shower Install flush in the transom or under the gunwale. Includes hinged cover and replaceable sprayer head. Fixtures are corrosion-resistant. Housing and cover are made of highimpact, UV resistant, engineering-grade plastic and are pre-drilled for six #8 fasteners. Hand-held shower sprayer with 6' hose and shut-off. Connects to freshwater system or self-priming wash-down pump for showering after swimming. Built-in on/off switch for pump. OEM Part # Part # 4133-1 — 3/4" dia. 10-1/2" 8-1/8" 4-1/2" (3/4"), (1") dia. 3/4" dia. (1-1/8"), (1-1/2") dia. Standard Box 2-5/16" 7-23/64" 4-7/16" 13" 2-5/16" 7-23/64" 4-7/16" 13" Large Box Shower Sump Pump Systems Dimensions Shower Systems
attwoodmarine.com WATER SYSTEMS & VENTILATION 24 WaterBuster® Portable Pump This submersible pump is a great way to remove unwanted water from boats, pool covers, aquariums and sump pits. Convenient and safe because it needs no electrical cord — runs up to five hours on three alkaline "D" batteries. Excellent for use as a portable pump-out device for paddle boats, inflatables, duck boats, dingies or kayaks, any craft that lacks a hard-wire, permanent electrical system. • 6-3/8" high x 5-1/4" diameter • Pumps up to 200 gallons per hour • Includes 42” hose with garden hose adapter for adding longer hose • Lifts water to height of 40" Note: Not to be used as a permanent bilge pump GPH Open Flow GPH 2 ft Head † OEM Part # Part # 200 125 — 4140-4 † 4 ft maximum head Kayak Hand Bilge Pump Safely remove unwanted water, or other liquids, from kayaks and other small boats. 18". OEM Part # Part # — 11595-2 Hand Bilge Pump Safely remove unwanted water, or other liquids, from small boats. 24", 32" Hose. OEM Part # Part # — 11596-2 Battery & Hand Operated Pumps
attwoodmarine.com WATER SYSTEMS & VENTILATION 25 Tsunami Mk2 Recirq Aerator Kit The Tsunami Recirq Kit recirculates livewell water to keep it cooler and rich in oxygen. This self-contained system feeds a separate aerator spray head and works even while you are underway and cannot use a thru-hull connection. Add this kit to any tank that already has a freshwater fill system. Or use as a backup pump for a fail-safe system. Recirq Kit includes: • (1) 500 GPH Tsunami aerator pump with short inlet, threaded outlet • (1) 4125-1 aerator spray head • (1) 4232-1 Stainless Steel strainer • (2) Plastic hose clamps • (1) 3/4" diameter x 23" long poly hose • (1) Straight thread-to-barb connector OEM Part # Part # — 5253-7 Tsunami Mk2 Bilge Pump Installation Kits Complete kit to install manual bilge pump with 3/4" I.D. hose outlet. • (1) 2-way on/off switch with bezel plate • (1) 3/4" I.D. x 5' corrugated hose • (1) Thru-hull fitting for 3/4" I.D. hose • (2) Snap-It hose clamps • (1) 2-conductor 16-gauge wire, 20' long • (1) In-line fuse holder with 2A fuse Caution: Bilge pump switches are not external ignition protected. Description Hose Size OEM Part # Part # Complete kit (without pump) 3/4" I.D. — 4116-5 Complete kit with Tsunami Mk2 T-500 bilge pump 3/4" I.D. — 5614-7 6' hose with (2) clamps 3/4" I.D. — 4199-7 6' hose only 1-1/8" I.D. — 11551-5 4116 4614 4253 3/4" (19mm) I.D. Hose Re-Circulated Water Intake Pump Kits & Accessories
attwoodmarine.com WATER SYSTEMS & VENTILATION 26 Aerator Remote Mounting Brackets For mounting the aerator pump to a base, away from the transom. Description OEM Part # Part # 1-1/8" Aerator remote mounting bracket 4121-1 4121-3 3/4" Aerator remote mounting bracket 4122-1 4122-3 Aerator Spray Heads For use on livewells that have built-in overflows or recirculating systems. Adjustable Spray Heads Mounts on sides of tank. 90° fitting for installation in tight spaces. Rotating head with O-ring adjusts and maintains flow setting. Removable head has an “interference-fit thread design” that will not allow it to vibrate or blow out. Polypropylene construction. Can be installed on tanks with up to 5/8" wall thickness. Non-Adjustable Spray Heads Multi-port spray maximizes oxygen level in the livewell. Constructed of ABS plastic. Double Valve Spray Head - Allows aerating options – one end can be used for freshwater fill, the other end with a recirculating pump. Single Valve Spray Head - For output from an aerator pump into the livewell. Description Hose I.D. OEM Part # Part # Adjustable Spray Heads Aerator spray head 3/4" 4125-1 4125-7 Aerator spray head w/male connector for Flow-Rite™ Qwik-Lok™ Coupler 3 3/4" 4123-1 — Non-Adjustable Spray Heads Aerator spray head, single valve 3/4" 4118A1 4118A5 Check Tees These check tees replace additional connections for RV and marine hookups, providing a combination check valve and tee that allows water to flow in from the dockside connection without filling the tank. Constructed of ABS plastic. Combination Barbed Fitting Inlet and outlet both have combination fittings: Comes with 3/8" barbs that can be removed to accommodate 1/4" NPT fitting. 1/2" NPT fitting for dockside water connection. Description OEM Part # Part # Combination barbed fitting 6115-1 — 4121 4122 4125 4123 6115 4118A
attwoodmarine.com WATER SYSTEMS & VENTILATION 27 Snap-It Hose Clamps Use on bilge pumps and shower sump systems. Corrosion-resistant plastic. Note: Clamps are intended for water and waste system hoses only. Hose O.D. Hose I.D. OEM Part # Part # 7/8" to 1" 3/4" 9185J1 — Tees Three-way 90° fitting. Acetal construction. Hose I.D. OEM Part # Part # 3/4" 3892-1 — 1-1/8" to 1-1/4" 3893-1 — Plumbing System Fittings Thread-to-Barb Connector Barbed end accommodates 3/4" I.D. hose. 3/4"-14 NPSM and 3/4" I.D. hose fitting. Threaded end fits 3888 drain fitting, A-Series aerator pump outlets and Tsunami threaded outlets. Acetal construction. Use With OEM Part # Part # 500-800 GPH pumps 3899-1 3899-3 90° Thread-to-Barb Connector Threaded female end fits 3888 drain fitting or A-Series aerator pump outlets and Tsunami threaded outlets. Barbed end accommodates 3/4" I.D. hose. Acetal construction. For 3/4"-14 threads and 3/4" I.D. hose. Use With OEM Part # Part # 500-800 GPH pumps 3890-1 3890-3 Thread-to-Flow-Rite™ Quick-Lok™ Connector Barbed end accommodates 3/4" I.D. Threaded end fits 3888 drain fitting, A-Series aerator pump outlets and Tsunami threaded outlets. Acetal construction. Use With OEM Part # Part # 500-800 GPH pumps 3909-1 — 90° Thread-to-Flow-Rite™ Quick-Lok™ Connector Threaded end fits A-Series aerator pump outlets and Tsunami threaded outlets. Male end accommodates Flow-Rite™ Qwik-Lok™ Coupler. Use With OEM Part # Part # 500-800 GPH pumps 3900-1 — Thread-to-Straight Connector Male end accommodates Flow-Rite™ Qwik-Lok™ Coupler. 1-3/8" - 12 UNF thread & 1-1/8" hose fitting. Threaded end fits 3888 drain fitting, A-Series aerator pump outlets and Tsunami threaded outlets. Acetal construction. Use With OEM Part # Part # 1200 GPH pumps 3902-1 3902-3 90° Thread-to-Straight Connector Threaded end fits 3889 drain fitting. High-impact plastic. Barbed end accommodates 1-1/8" or 1-1/4" I.D. hose. Acetal construction. Use With OEM Part # Part # 1200 GPH pumps 3891-1 —
attwoodmarine.com WATER SYSTEMS & VENTILATION 28 Stainless Steel Thru-Hulls & Scupper Valve Fittings Polish your image with these beautiful, durable stainless steel fittings. Each Thru-Hull and Scupper Valve is available with a new silicone gasket and are backed by Attwood’s trusted Lifetime Warranty! Why specify plastic parts when these fittings will last the life of the boat? Rugged Stainless Construction • Cast from certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion-resistance • We polish all visible areas to a mirror finish, then passivate each part for additional protection • Thick steel sidewalls withstand continual stress and hose flexing Faster, Simpler Installation • A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal • All models have wrench flats or an end notch to hold as a gripping surface. One installer can tighten all connections from inside the hull • Barbed tail ends provide plenty of room to hold multiple clamps Stainless Steel Straight Thru-Hulls, Barbed • Standard Thread model has full-length thread for thick hulls and easy tightening • Short Thread is a more compact size. Allows installation near corners and in confined areas. Caution: Stainless Steel Scupper Valves are designed for installation above the water line only. A Hose Size B Flange Dia. C Thread O.D. D Thread Length E Barb Length F Total Length Install. Hole Saw Size Thread NPSM Max Hull Thick. OEM Part # without Gasket Part # Short Length 5/8" I.D. 1-7/8" 1" 1" 1" 2-1/4" 1-1/8" 3/4" 5/8" 66540-1 66540-3 3/4" I.D. 1-7/8" 1" 1" 1" 2-1/2" 1-1/8" 3/4" 5/8" 66541-1 66541-3 1" I.D. 2-1/4" 1-3/8" 1-1/8" 1" 2-1/2" 1-1/2" 1" 5/8" 66542-1 66542-3 1-1/8" I.D. 2-1/4" 1-3/8" 1-1/4" 1" 2-1/2" 1-1/2" 1" 5/8" 66543-1 66543-3 1-1/4" I.D. 2-1/4" 1-5/8" 1-1/4" 1" 2-5/8" 1-3/4" 1-1/4" 5/8" 66544-1 66544-3 1-1/2" I.D. 3" 1-7/8" 1-1/4" 1-1/2" 3-1/8" 2" 1-1/2" 5/8" 66545-1 66545-3 Standard Length 5/8" I.D. 1-7/8" 1" 2" 1-1/4" 3-3/4" 1-1/8" 3/4" 1-1/16" 66546-1 66546-3 3/4" I.D. 1-7/8" 1" 2" 1-1/4" 3-3/4" 1-1/8" 3/4" 1-5/8" 66547-1 66547-3 1" I.D. 2-1/4" 1-3/8" 2-1/4" 1-1/4" 3-7/8" 1-1/2" 1" 1-3/4" 66548-1 66548-3 1-1/8" I.D. 2-1/4" 1-3/8" 2-3/8" 1-1/4" 3-7/8" 1-1/4" 1" 1-3/4" 66549-1 66549-3 1-1/4" I.D. 2-1/4" 1-5/8" 2-1/2" 1-1/4" 4-1/4" 1-3/4" 1-1/4" 1-7/8" 66550-1 66550-3 1-1/2" I.D. 3" 1-7/8" 2-1/2" 1-1/4" 4-1/8" 2" 1-1/2" 1-7/8" 66551-1 66551-3 2" I.D. 3" 2-3/8" 2-1/2" 1-3/4" 4-5/8" 2-1/2" 1-1/2" 2" 66552-1 — 66540G 66542 66546G 66548 Dia. B A B C D E F B D Dia. B F E C A Short Length Standard Length
attwoodmarine.com WATER SYSTEMS & VENTILATION 29 66577 66559 66558G 66557G 66565 D F Dia. B A E C B C B A F D E Dia. C A B C Stainless Steel Straight Thru-Hulls, Threaded • Unique multi-thread design with NPSM and NPT threads • Offer generous thread length • Allows for direct connection to seacocks or pipes Caution: Stainless Steel Thru-Hull Connectors are designed for installation above the water line only. A Flange Dia. B Thread O.D. C Total Length Installation Hole Saw Size Threads NPSM Max Hull Thickness OEM Part # without Gasket Part # 1-7/8" 2-1/8" 2-1/2" 1-1/8" 3/4" 1-5/8" 66559-1 — 2-1/4" 2-1/4" 2-5/8" 1-3/8" 1" 1-3/4" 66561-1 — 3" 2-3/8" 2-3/4" 2" 1-1/2" 1-7/8" 66563-1 — Stainless Steel Scupper Valves • The Scupper Flap is tough neoprene rubber with a molded V that fits into the grooved body to reduce backwash • Fasteners are concealed and corrosion-proof • Enhanced 316 Stainless Steel Alloy Caution: Stainless Steel Scupper Valves are designed for installation above the water line only. A Hose Size B Thread Dia. C Flange O.D. D Thread Length E Barb Length F Total Length Install. Hole Saw Size Thread NPSM Max Hull Thick. OEM Part # without Gasket Part # Threaded — 1-7/8" 3" 3-1/2" — 3-7/8" 2" 1-1/2" 3" 66565-1 — — 2-23/64" 3-5/8" 2-1/2" — 2-7/8" 2-1/2" 2" 2" 66567-1 — Barbed 1-1/2" 1-7/8" 3" 3-1/2" 1-1/2" 5-1/2" 2" 1-1/2" 3" 66553-1 66553-3 2" 2-23/64" 3-5/8" 2-1/2" 1-5/16" 4-1/2" 2-1/2" 2" 2" 66555-1 — 1-1/2" 3" 1-7/8" 2-1/4" 1-1/2" 4-1/2" 2" 1-1/2" 1-3/4" 66557-1 — Valve Accessories BULK Replacement Flappers for 1-1/2" 66553Kit — Replacement Flappers for 2" 66555Kit — Stainless Steel 90° Thru-Hulls, Barbed Allows installation in especially tight spaces. Caution: Stainless Steel Thru-Hull Connectors are designed for installation above the water line only. A Hose Size B Flange Dia. C Thread O.D. D Thread Length E Barb Length F Total Length Install. Hole Saw Size Thread NPSM Max Hull Thick. OEM Part # without Gasket Part # 3/4" I.D. 1-7/8" 1" 1-1/2" 3/4" 3-3/8" 1-1/4" 3/4" 1-1/16" 66577-1 — 1-1/8" I.D. 2-1/4" 1-3/8" 1-7/8" 3/4" 4-3/8" 1-5/8" 1" 1-1/4" 66579-1 —
attwoodmarine.com WATER SYSTEMS & VENTILATION 30 Stainless Steel Narrow Flange Thru-Hulls • Consistent exterior appearance throughout a range of barb sizes • Modern styling • Enhanced 316 Stainless Steel Alloy Caution: Stainless Steel Thru-Hull Connectors are designed for installation above the water line only. A Hose Size B Flange Dia. C Thread O.D. D Thread Length E Barb Length F Total Length Install. Hole Saw Size Thread NPSM Max Hull Thick. OEM Part # without Gasket Part # Thru-Hulls, Standard Length 5/8" I.D. 1-7/10" 1-3/10" 1-2/5" 1-1/8" 3" 1-5/16" 1" 7/8" 67555-1 — 3/4" I.D. 1-7/10" 1-3/10" 1-3/10" 1-1/4" 3" 1-5/16" 1" 3/4" 67554-1 — 1" I.D. 1-7/10" 1-3/10" 1-2/5" 1-1/8" 3" 1-5/16" 1" 7/8" 67556-1 — 1-1/8" I.D. 1-7/10" 1-3/10" 1-1/4" 1-1/8" 2-7/8" 1-5/16" 1" 3/4" 67557-1 — 1-1/2" I.D. 2-2/5" 1-7/8" 1-1/2" 1-3/5" 3-2/5" 2" 1-1/2" 1" 67551-1 — 2" I.D. 3.13" 2-3/8" 2.93" 2.04" 6.09" 2-7/16" 2" 2.70" 67552-1 — Thru-Hulls, Long Length 3/4" I.D. 1-7/10" 1-3/10" 1-1/2" 1-1/8" 4-1/4" 1-5/16" 1" — 67558-1 — 1-1/8" I.D. 1-7/10" 1-3/10" 1-1/2" 1-1/8" 4-1/4" 1-5/16" 1" — 67561-1 — 1-1/2" I.D. 2-2/5" 1-7/8" 1-1/2" 1-7/16" 4-15/16" 2" 1-1/2" — 67562-1 — Scupper Valve 1-1/2" I.D. 2-3/5" 1-7/8" 2" 2" 5-3/4" 2-1/8" 1-1/2" 2-3/4" 67553-1 — Stainless Steel Exhaust Thru-Hulls • Specifically designed for generator and engine exhaust applications • Features unique, modern styling that is both elegant and functional • Stainless steel scupper valve and an integrated stainless drip ring • Enhanced 316 Stainless Steel Alloy Caution: Stainless Thru-Hull Connectors are designed for installation above the water line only. A Hose Size B Flange Dia. C Thread O.D. D Thread Length E Barb Length F Total Length Install. Hole Saw Size Thread NPSM Max Hull Thick. OEM Part # without Gasket Part # 1-1/2" I.D. 3.18" 2.26" 1.6" 1.97" 4.58" 2.375" 2" – 11-3/4 1.125" 67581-1 — 2" I.D. 3.18" 2.26" 1.6" 2.23" 4.58" 2.375" 2" – 11-3/4 1.125" 67580-1 — 2-1/2" I.D. 4.60" 3.375" 1.8" 2.75" 5.8" 3.625" 3" – 8 1.5" 67583-1 — 3" I.D. 4.60" 3.375" 1.8" 3" 5.8" 3.625" 3" – 8 1.5" 67582-1 — 67556 67551 67553 67582 67555 67581 Scupper Valve Thru-Hull
attwoodmarine.com WATER SYSTEMS & VENTILATION 31 68555 68576 68557 Designed for the value conscious customer, these fittings provide the look of a Stainless Steel thru-hull at a fraction of the cost Corrosion Resistance Manufactured with high quality stainless steel caps and engineered composite bodies, these thru-hulls are designed to resist degradation as a result of chemical and saltwater exposure. Consistent Look To create a uniform look, Attwood has designed its 5/8" thru 1-1/2" barbed thru-hulls with a common exterior surface. Improved Installation Always keeping the builder in mind, each fitting incorporates several different types of assembly features that allow for “single operator” installation. Caution: Stainless Steel Thru-Hull Connectors are designed for installation above the water line only. A Hose Size B Flange Dia. C Thread O.D. D Thread Length E Barb Length F Total Length Installation Hole Saw Size Max Hull Thickness OEM Part # Part # Thru-Hulls, Straight 5/8" I.D. 1-7/8" 1.27" 1.54" 1" 3.39" 1-3/8" 1.30" 68555-1 — 3/4" I.D. 1-7/8" 1.27" 1.54" 1" 3.36" 1-5/16" 1.30" 68554-1 — 1" I.D. 1-7/8" 1.27" 1.54" 1" 3.39" 1-5/16" 1.30" 68556-1 — 1-1/8" I.D. 1-7/8" 1.27" 1.54" 1.3" 3.36" 1-5/16" 1.30" 68557-1 — 1-1/2" I.D. 2-3/8" 1.5" 1.54" 1.6" 3" 1-1/2" 1.40" 68551-1 — Thru-Hulls, 90º 5/8" I.D. 1-7/8" 1.27" 1.54" 0.875" 3.48" 1-5/16" 1.30" 68576-1 — 3/4" I.D. 1-7/8" 1.27" 1.54" 1" 3.48" 1-5/16" 1.30" 68577-1 — 1" I.D. 1-7/8" 1.27" 1.54" 1.125" 3.75" 1-5/16" 1.30" 68578-1 — 1-1/8" I.D. 1-7/8" 1.27" 1.54" 1.5" 3.75" 1-5/16" 1.30" 68579-1 — 1-1/2" I.D. 2-3/8" 1.5" 1.54" 1.5" 4.45" 1-1/2" 1.30" 68581-1 — B D Dia. B F E C A D F Dia. B A E C B Straight 90° Stainless Steel Capped Composite Thru-Hulls
attwoodmarine.com WATER SYSTEMS & VENTILATION 32 Thru-Hulls Caution: Plastic Thru-Hull Connectors are designed for installation above the water line only. Fits Hose Size Stem Length Max Hull Thickness Flange Diameter Installation Hole Size Drain Plug Construction Color OEM Part # Part # 5/8" I.D. 3-1/4" 1-1/4" 1-3/4" 1-1/8" 5/8" Polypropylene White 3872-1 3872-3 Black 3872A1 — 3/4" I.D. 3-1/4" 1-1/4" 1-3/4" 1-1/8" 5/8" Polypropylene White 3873-1 3873-3 Black 3873A1 — 3/4" I.D. 4" 2" 2" 1-1/16" to 1-1/8" 5/8"? Acetal White 3896-1 3896-3 1-1/8" to 1-1/4" I.D. 3-1/4" 1-1/4" 2-1/4" 1-3/8" 7/8" Polypropylene White 3874-1 3874-3 Black 3874A1 — 1-1/2" I.D. 3-1/2" 1-1/4" 3" 1-7/8" to 2" 7/8" Polypropylene White 3875-1 3875-3 Black 3875A1 — 2" I.D. 3-1/2" 1-1/4" 3" 1-7/8" to 2" 7/8" Polypropylene White 3845-1 — 3875 3875B 3877 3879 3872 3874 3878 90° Thru-Hull Connectors 90° Thru-Hulls are ideal for tight installations, such as livewell overflow drains. Design eliminates hose kinking. Polypropylene construction. Caution: Plastic Thru-Hull Connectors are designed for installation above the water line only. Fits Hose Size Max Hull Thickness Flange Diameter Installation Hole Size Drain Plug Color OEM Part # Part # 3/4" I.D. 1" 1-1/2" 1" 1/2" White 3877-1 3877-3 Black 3880-1 — 1-1/8" to 1-1/4" I.D. 1-7/8" 2-7/16" 1-5/16" 7/8" White 3879-1 3879-3 Black 3870-1 — Double Ended Thru-Hull Connector Double-Ended Thru-Hull provides watertight transition through bulkheads or tanks. 5” overall length. Polypropylene construction. Caution: Plastic Thru-Hull Connectors are designed for installation above the water line only. Fits Hose Size Max Hull Thickness Installation Hole Size OEM Part # Part # 3/4" I.D. 1-1/8" 1-1/8" 3878-1 3878-3 Thru-Transom Thru-Hull Connector For installation through the transom. Ideal for overflow use in livewell installations. Can be used with the 3876 Scupper Valve in self-bailing applications, or as an exhaust port for a bilge pump. Polypropylene construction. Caution: Plastic Thru-Hull Connectors are designed for installation above the water line only. Fits Hose Size Stem Length Max Hull Thickness Flange Diameter Installation Hole Size Color OEM Part # Part # 1-1/2" I.D. 5-1/2" 3-1/8" 2-3/4" 2" White 3875B1 — Plastic Thru-Hulls & Scupper Valve Fittings
attwoodmarine.com WATER SYSTEMS & VENTILATION 33 Scupper Valve Provides a water exit for boats with self-bailing cockpits. Acetal construction. Accommodates 3875B thru-transom thru-hull connector (screw holes must be drilled for installation.) Diameter: 2-7/8". Use as a replacement valve for 3881 Thru-Transom Scupper. Caution: Plastic Thru-Hull Connectors are designed for installation above the water line only. OEM Part # Part # 3876-1 3876-3 3876 3881 11524 3885 3886 Mesh Strainer/Drain Filter Durable strainers to prevent debris from clogging baitwell drains and aerator pumps. Two types of construction: formed stainless steel wire mesh molded into black PVC plastic base or acetal plastic. Caution: Aerator pump must be secured with aerator attachment nut prior to installing strainer. Type Thread Application OEM Part # Part # Stainless Steel mesh 7/8"- 9 UNC2-B Fits 3877-1 thru-hull 11524-1 11524-3 3/4"-14 NPSM Fits 3/4" aerator inlet and 3886-1 thru-hull 4232-1 4232-7 Molded plastic 3/4"-14 NPSM Fits aerator inlet and 3886-1 thru-hull 3885-1 3885-3 Thru-Hull with Strainer Thru-hull connector with strainer prevents clogging of the aerator pump. Strainer attaches to threads that extend beyond external retaining nut. Acetal construction. Caution: Do not use strainer as a thru-hull connector nut replacement. Hose Size Max Hull Thickness Installation Hole Size OEM Part # Part # 3/4" I.D. 1-7/16" 1-1/16" to 1-1/8" 3886-1 3886-3 Thru-Transom with Scupper • The rubber flapper opens to drain water out and closes to prevent backwash. • Acetal construction. • For 1-1/2" I.D. hose. • Installation Hole Size: 2" • Service Part Kit: Includes outer ring, rubber flapper, four SS screws Caution: Plastic Thru-Hull Connectors are designed for installation above the water line only. Description Dimensions Max Hull Thickness OEM Part # Part # Thru-transom with scupper 6-1/4" L x 2-7/8" dia. 3-1/8" 3881-1 — Service Part Kit 3881Kit-1 — Drains, Drain Plugs & Tubes
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