Best Boat Plumbing Deals Online in the UK (25 Deals Found)

Last Updated - 10/09/2026 Sort By:

Best Choice
Independently published

New
Boat Plumbing Basics Made Simple: A Practical Guide for Boat Owners to Fresh Water Systems, Marine Toilets, Bilge Pumps,

£11.00
Best Value
Globe Pequot Press

New
Understanding Boat Plumbing and Water Systems (Sheridan House Guides)

£17.09 £17.99
New
John Guest 12mm PushFit Plumbing Fittings Build Caravan Campervan Motorhome Boat

£4.95
Globe Pequot Press

New
Understanding Boat Plumbing and Water Systems
Pages Count - 110. Binding type - Perfect.

£9.95
New
Two Pack Black ABS Thru Hull Fittings Designed for Boat Plumbing Systems
Construction: The Thru Hull Fitting is crafted from robust ABS material, long-lasting performance and resistance to mari

£5.66
Keenso

New
Keenso Boat Drain Fitting, Through Hull Connector, ABS Plastic Hose Coupling, 3/4in Drain Outlet, White, for Boats and Y
Compaticable for: This Boat Thru Hull construct in strict accordance with the original standard, direct replacement for

£9.98
Taskar

New
Taskar Thru-Hull Bilge Skin Fitting 3/4" 19mm Elbow Boat Marine Stainless Steel Drain Plug
Designed for installation above the water line only

£11.99
New
John Guest Speedfit 12mm Water Pipe Shut Off Valve - Caravan Motorhome Boat x 2
The push-fit design provides a fast and effortless way to install without tools, making maintenance a breeze. Glue & Hea

£10.78
Akozon

New
Akozon Boat Plumbing Stainless Steel Thru-Hull Fitting Hose Barb Marine Barbed Hose Thru Drain for Boats Yachts
Compatible: brand new high quality marine thread connections, the is mirror polished and has strong corrosion resistance

£11.05
New
Through--connection through drain connection. Boat plumbing connections. barbed
【Ventilation Function】: The thru-hull connection provides ventilation, allowing air to circulate freely, reducing conden

£19.61
Tissting

New
Tissting Marine Straight Thru Hull Fitting 1/2in 63mm 316 Stainless Steel Water Drain Outlet Plumbing Valve Hose Thru Dr
Marine Grade Materials: Our marine through-hull fittings are made of high quality 316 stainless steel, which is strong a

£14.43
Tissting

New
Tissting Thru Hull Fitting 1in 79mm Through Hull Boat Fittings
Marine Grade Materials: Our marine through-hull fittings are made of high quality 316 stainless steel, which is strong a

£15.99
New
For John Guest 12mm Push Fit Shut Off Valve Stop Tap Caravan Motorhome Boat
Switches: This quick connect coupling provides a quick connection to. purifier line is turned off or continues to flow.

£2.51
Ausi

New
Ausi Thru Hull Fitting 3/4 Inch ABS Plastic Boat Through Hull Connector for Marine Boat Plumbing Fittings(Black)
【Superior ABS Plastic】 Crafted from strong ABS material, this thru hull fitting is sturdy, impact-resistant, and durable

£6.99
New
John Guest 12mm Fittings Push Fit JG SpeedFit Caravan Motorhome Boat Campervan
See below for a full list of the products being sold. John Guest Speedfit 12mm Lldpe Tube Blue - Pe-1209-100M-B. John Gu

£1.84
KIMISS

New
3/4"Stainless Steel Thru-Hull Fitting Boat Plumbing Fittings for Boats Yacht s Cars Trailer + Extra Long Thru Hull Fitti
SCOPE OF APPLICATION:It has high practicability and reliability. Its barbed end can provide enough space to accommodate

£16.91
New
Easy NO Plumbing Tap Kit White / Blue Glazed Sink For Campervan Boat Glamping
The tap has all you need built in, so no wiring or complex plumbing required. Drop the pipe into fresh water and you are

£115.00
New
For John Guest 12mm Push Fit Shut Off Valve Stop Tap Caravan Motorhome Boat
Reusable: Can be disconnected and reused when required. 1 × 12mm Push Fit Shut Off Valve. 12mm Push-Fit Connection: Quic

£2.85
New
Trudesign Non Return Valve Boat Plumbing, 3/4", 1", 1 1/8", 1 1/4", 1 1/2
They are full flow with low cracking (opening) pressures. Stainless spring - This does not corrode and there isn't a ris

£24.00
New
John Guest Push Fit 12mm x 1/2" BSP Female -Caravan/Motorhome/Boat CM451214FS
CM451214FS - John Guest, 12mm x 1/2" BSP Female. One end 1/2" BSP. One end 12mm Female Push Fit.

£4.19
New
John Guest 12mm Shut off - Caravan / Motorhome / Boat / Camper PPMSV041212W
John Guest, 12mm Stop Tap. This is genuine John Guest item. Both ends 12mm. Not suitable for Central Heating Systems.

£6.25
New
John Guest 12mm Push Fit Shut Off Valve StopTap Caravan Motorhome Boat Campervan
Experience the ultimate in plumbing convenience with the John Guest 12mm Push Fit Shut Off Valve. The unique collet lock

£6.17
New
Silicone 2-Ply Heater Hose ? Marine Engine Coolant & Hot Fluid Transfer Boats
Theflexibility and durability make it an excellent choice for use in boats, yachts, and other marine vessels. ✔ Marine e

£809.52
New
Alastin 316 Stainless Steel Thru-Hull Fitting Boat Drain Hose Outlet
The Alastin 316 stainless steel thru-hull fitting is designed for marine boat plumbing and drainage applications. It pro

£109.99
New
0.75L 125 PSI Water Accumulator Tank Boat Marine RV Water Pump Pressure
✅ Pre-Charged at 10 PSI: Factory pre-charged to 10 PSI (0.7 Bar), ready to install straight out of the box. ✅ Max Workin

£14.66

25 Boat Plumbing deals are available from: Amazon, eBay stores, starting from £1.84.
The biggest discount we found is 5% on Understanding Boat Plumbing and Water Systems (Sheridan House Guides) at Amazon.
The lowest price we found is £1.84 while the highest is £809.52.
Prices for the best Boat Plumbing deals average at £50.53.
Last updated on September 10, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Boat Plumbing.