Marine Plumbing
-
Filter By Category
- Accessories (19)
- Boat Bungs & Drain Sockets (19)
- Fitouts (6)
- 16ft Skiff (1)
- 18ft Skiff (1)
- Etchells (1)
- Flying 11 (1)
- ILCA - Laser (1)
- International Cadet (1)
- Hardware (3)
- Miscellaneous Hardware (3)
- Plumbing (474)
- Ball Valves (6)
- Bulkhead Fittings (36)
- Bungs & Drain Sockets (20)
- Deck Fills (4)
- Elbows and Barbs (17)
- Flange Mounting Seacocks (3)
- Flowtech Performance Valve (4)
- Marelon® Pro Series Valves (280)
- Reducers & Adaptors (13)
- Scoop Strainers (4)
- Tailpipes & Hose Connectors (24)
- Thru-hull Connectors (41)
- Vented Loops (9)
- Water Strainer (5)
- Y-Valves and Connectors (8)
-
Filter By Stock
- In Stock (194)
Filter By Brand
- Allen Brothers (10)
- Forespar (464)
Related Content
Marine Boat Plumbing
What is Marelon? Plus technical information on the Forespar range of Marine Plumbing including Valve Installation, Thread Conversion, Certification and Maintenance.
How to order Forespar Marine Plumbing Valves
How do you choose between the Custom OEM Pro Series Valves, Flange Mounting Seacocks, Ball Valve and Flowtech Valve.
Thru-hull / Sea Valve Installation Instructions and Maintenance
Forespar's Marelon® Integrated Plumbing Systems designed to meet your boats plumbing needs. Precision moulded plumbing systems for use above and below the waterline.
Marelon® - Marine Grade Plumbing Systems
In the late 1970’s we (Forespar) undertook a search for a material that could replace the traditional bronze plumbing components used in boats.
Know Your Thread Forms
MARINE thru-hulls, tailpipes, valves and seacocks have parallel threads known as “American Standard Straight Mechanical” pipe threads or “NPSM”. These require thread compound or Teflon tape to seal.