Marine Plumbing & Ventilation
Marine Plumbing & Ventilation systems are essential for keeping your vessel comfortable, efficient, and operating at its best in every marine environment. Designed to withstand moisture, vibration, and harsh saltwater conditions, today's plumbing and ventilation solutions deliver dependable performance and long-lasting reliability you can count on. From bilge pumps, freshwater pumps, hoses, fittings, and marine sanitation systems to blowers, vents, and ventilation accessories, the right equipment helps maintain proper water flow, improve air circulation, and protect critical onboard systems. Whether you're replacing worn components or upgrading your boat with modern plumbing and ventilation equipment, premium marine products provide the performance trusted by boaters and marine professionals alike. Explore our selection of marine plumbing and ventilation solutions and let our experts help you find the right products to keep your vessel running smoothly on every adventure.
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- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
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- Date, old to new
- Date, new to old
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Vendor:Raritan
Raritan Crown Head Standard Repair Kit [CHRK]
- £96.76
£131.75- £96.76
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Crown Head™ Standard Repair KitThe Deep Draft Crown Head was last made in 1990 but some still exist out in the field today. While many of the parts are similar to today’s Crown Head there are some that are no longer available. For this reason we...- £96.76
£131.75- £96.76
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Vendor:Raritan
Raritan 6-Gallon Hot Water Heater w/Heat Exchanger - 120v [170611]
- £954.22
£1,510.99- £954.22
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1700 Series Water Heater120v6 GallonWith Engine Heat ExchangerThe "1700 Series" water heater provides hot water for galley and shower. Dense foam insulation provides better and longer heat retention than traditional fiberglass. The tank itself is protected by a 75 PSI T& P ( temperature...- £954.22
£1,510.99- £954.22
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Vendor:Raritan
Raritan Marine Elegance - Household Style - Bone - Freshwater Solenoid - Smart Toilet Control - 12v [220AHF012]
- £893.19
£1,339.79- £893.19
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Marine EleganceThe Marine Elegance is the ultimate in electric marine toilets. Offering the luxury of a full size seat in a one piece china bowl developed with a unique mounting system. It offers a super small footprint at just 8 ½” x 9 ¾”....- £893.19
£1,339.79- £893.19
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Vendor:Commodore
Commodore 750 GPH 60 Series Automatic Bilge Pump - 12V [CM-60-750B]
- £52.10
£0.00- £52.10
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750 GPH 60 Series Automatic Bilge Pump - 12VThe 750 GPH 60-Series Automatic Bilge Pump combines powerful performance with convenience and reliability for marine applications. This all-in-one pump features a built-in float switch, eliminating the need for additional components and ensuring seamless automatic operation. When...- £52.10
£0.00- £52.10
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Vendor:Thetford Marine
Thetford Standard All-In-One SFT 2-Button Control Panel [T-PF.P11]
- £152.58
£223.26- £152.58
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Standard All-In-One SFT 2-Button Control PanelThe All-in-one control panel has a controller directly integrated in the wall interface with the option of automatic bowl refill (single button) or the common double function before/after use.Flush is activated by two buttons: “Before Use” and “After Use”....- £152.58
£223.26- £152.58
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Vendor:Johnson Pump
Johnson Pump Cartridge Combo 1000GPH Auto Bilge Pump w/Switch - 12V [05903-00]
- £64.75
£108.49- £64.75
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Cartridge ComboCombines the line of cartdrige bilge pumps with automatic operation. Equipped with a non-clogging electronic float switch.Specs: Capacity 3' head (13.6V): 50l/min - 800 GPH Capacity Straight (13.6V): 63l/min - 1000GPH Amperage: 3.2A Fuse Size: 5A Connection: 3/4" Specifications: Gallons Per Hour: 1000...- £64.75
£108.49- £64.75
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Vendor:Albin Group
Albin Group Automatic Bilge Pump 1100 GPH - 12V [01-04-018]
- £39.44
£60.89- £39.44
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Automatic Bilge Pump 1100 GPH - 12VFully automatic bilge pump 12V, automatic activation with a built in electrical level switch. Pump capacity 75 L/min (1100 GPH) and 65 L/min (1000 GPH) at 1m head. Stainless steel shaft, compact and easy to install.Tough thermoplastic ABS...- £39.44
£60.89- £39.44
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Vendor:Albin Group
Albin Group Bilge Pump Heavy Duty 2250 GPH - 12V [01-03-013]
- £80.38
£125.05- £80.38
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Bilge Pump Heavy Duty 2250 GPH - 12VSubmersible heavy duty bilge pump 12V with pump capacity 140 L/min (2250 GPH) and 120 L/min (1900 GPH) at 1m head. Stainless steel shaft, double ball bearings, mechanical seal, tough thermoplastic ABS housing and a robust long-life...- £80.38
£125.05- £80.38
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Vendor:Johnson Pump
Johnson Pump Coiled Wash Down Hose - 25 - 1/2" Diameter [10615-00]
- £32.74
£54.71- £32.74
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Coiled Wash Down Hose - 25' - 1/2" DiameterFeatures: Parable with all Aqua Jet Washdown Pumps 25' hose length 1/2" hose diameter Specifications: Type: Tools & Accessories Box Dimensions: 5"H x 5"W x 18"L WT: 1.9 lbs UPC: 729321106153- £32.74
£54.71- £32.74
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Vendor:Rule
Rule 7700D GPH Evacuator High Volume Utility Pump - 12V [7700D]
- £327.50
£461.48- £327.50
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7700D GPH Evacuator High Volume Utility Pump - 12VThe Rule Evacuator high-volume utility pump is ideal for fast evacuation of water from a vessel. A favorite of tow boat operators, the Evacuator is comprised of two 4,000-gallon per hour (GPH) or 15,141 liters per...- £327.50
£461.48- £327.50
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Vendor:Frabill
Frabill Aqua Life Aerator [FRBAP15]
- £14.88
£18.60- £14.88
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Aqua Life AeratorFeatures: Water-resistant booted switch Single-speed piston pump Metal universal hanging clip Includes hose and stone Operates on 4 AA batteries- £14.88
£18.60- £14.88
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Vendor:Attwood Marine
Attwood Sahara MK2 S800 Bilge Pump 800 GPH - 12V - Automatic [5508-7]
- £68.47
£87.82- £68.47
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Sahara MK2 S800 Bilge Pump 800 GPH - 12V - AutomaticEngineered for extended service life, these pumps feature a cool-running design and quality components, including permanent magnet motors, stainless steel shafts, and steel-reinforced seals.Features: Sahara Mk2 is the only automatic bilge pump that eliminates...- £68.47
£87.82- £68.47
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Vendor:Rule
Rule Replacement Strainer Base f/Square Bilge Pumps [277]
- £10.41
£11.90- £10.41
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Replacement Strainer BaseReplacement Strainer f/Square Rule Bilge Pumps Specifications: Type: Strainers Box Dimensions: 3"H x 6"W x 9"L WT: 0.2 lbs UPC: 042237085627- £10.41
£11.90- £10.41
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Vendor:Whitecap
Whitecap C.P. Brass Sillcock 1-5/8" Base 3-3/16 Depth [P-2452C]
- £23.81
£35.35- £23.81
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Description - C.P. Brass Raw Water Washdown Base diameter- 1-5/8" Depth - 3-3/16" Threads - 1/2" FIPT x 3/4" Fastener - #6 (2)WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth...- £23.81
£35.35- £23.81
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Vendor:Trident Marine
Trident Marine 316 Stainless Steel T-Bolt Clamp 3/4" Band - Range 8.25" to 8.69" *10-Count [720-8501]
- £96.01
£148.87- £96.01
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316 Stainless Steel T-Bolt Clamp 3/4" Band - Range 8.25" to 8.69" *10-CountVery strong and secure clamp for critical installations. Trident Marine T-Bolt Clamps are built with safety in mind. With a 3/4″ (19 mm) wide band, this clamp ensures a greater area of...- £96.01
£148.87- £96.01
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Vendor:Trident Marine
Trident Marine 3/4" x 50 Coil Flex Marine Wet Exhaust Water Hose - Black [100-0346]
- £264.97
£429.14- £264.97
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3/4" x 50' Coil Flex Marine Wet Exhaust & Water Hose - BlackTrident Flex wet exhaust hose for longer bent connections. In smaller I.D.’s for engine intake, critical water, drain, scupper bilge & sanitation uses. Resists heat, ozone, exhaust, panting, and collapse. Black High...- £264.97
£429.14- £264.97
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Vendor:Attwood Marine
Attwood Sahara MK2 S1200 Bilge Pump 1200 GPH - 12V - Automatic [5512-7]
- £80.38
£103.45- £80.38
- Unit price
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Sahara MK2 S1200 Bilge Pump 1200 GPH - 12V - AutomaticEngineered for extended service life, these pumps feature a cool-running design and quality components, including permanent magnet motors, stainless steel shafts, and steel-reinforced seals.Features: Sahara Mk2 is the only automatic bilge pump that eliminates...- £80.38
£103.45- £80.38
- Unit price
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Vendor:Quick
Quick 1200W Heating Element f/B3 & Sigmar Heaters [FVSLRSB12110A00]
- £67.73
£76.47- £67.73
- Unit price
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1200W Heating Element for B3 & Sigmar Heaters - 110VFeatures: Made of Incoloy 11" Long 1-5/8" Diameter British threads 7-3/4" Long standard electrical anode rod Specifications: Type: Parts Box Dimensions: 2"H x 2"W x 12"L WT: 0.9 lbs UPC: 8057090079593- £67.73
£76.47- £67.73
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Vendor:Trident Marine
Trident Marine 1/2" Reinforced PVC (FDA) Hot Water Feed Line Hose - Drinking Water Safe - Translucent Red - Sold by the Foot [166-0126-FT]
- £1.43
£7.44- £1.43
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1/2" Reinforced PVC (FDA) Hot Water Feed Line Hose - Drinking Water Safe - Translucent Red - Sold by the FootTrident 166 Series Red - polyester reinforced PVC hose for "Hot Water" feed lines. The FDA-grade tube is non-toxic, odorless, and tasteless. Suitable for...- £1.43
£7.44- £1.43
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Vendor:Jabsco
Jabsco Pumpguard In-Line Strainer - 1/2" NPT Port [36400-1000]
- £21.58
£28.28- £21.58
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Pumpguard In-Line Strainer - 1/2" NPT PortHandy filter keeps tank crud out of your pressure water pump or bilge pump. Stainless mesh screen collects rust and scale, and can be cleaned in minutes. Protects the pump from valve damage. Can be installed in any...- £21.58
£28.28- £21.58
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![Commodore 750 GPH 60 Series Automatic Bilge Pump - 12V [CM-60-750B]](http://www.dbmarinesupplies.com/cdn/shop/files/106819XL_533x.jpg?v=1736306396)
![Albin Group Automatic Bilge Pump 1100 GPH - 12V [01-04-018]](http://www.dbmarinesupplies.com/cdn/shop/files/73462XL_533x.jpg?v=1682724746)
![Frabill Aqua Life Aerator [FRBAP15]](http://www.dbmarinesupplies.com/cdn/shop/files/96628XL_533x.jpg?v=1682825633)