Marine Plumbing & Ventilation - Fittings

Perko Water Outlet Fitting w/Cap [0504DP0CHR]

Water Outlet Fitting(0504) Chrome Plated Bronze Standard Male Hose Connector Black Plastic Watertight Plug Stainless Steel Bead Chain For use with on-board washdown systemsPipe Size: 1/2"O.D. F...

GROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2]

Backing Block for 1-1/4" & 1-1/2" SeacocksFeatures: Each size fits multiple seacock sizes Press threaded brass inserts into the hull side of the backing block into the holes that match the sea...

Dometic O-Ring S/T Pump Kit [385310151]

O-Ring S/T Pump KitThis set of 2 "O" rings will fit both S and T pumps that have 8 screws connecting the top and bottom together. *Sold as a PairThis product may not be returned to the original po...

Johnson Pump Threaded Blue Insert f/61121 61122 [61126]

Threaded Blue Insert for 61121 & 61122Threaded blue insert for single outlet, single flush & Double outlet, 2-way flush.

GROCO Bronze Pipe Nipple - 3/4" NPT [PN-750]

Bronze Pipe Nipple - 3/4" NPT Features: Cast-in wrench flat simplifies installation and removal NPT x NPT Connection C83600 Bronze   Full flow   Note-C83600 bronze fittings are not in compliance w...

GROCO 3/4" Bronze Nipple Check Valve [PNC-750]

3/4" Bronze Pipe Nipple Check ValveFeatures: C83600 cast bronze construction NPT threads 1/2" - 2" sizes Not suitable for use with diesel fuel or gasoline Maximum recommended temperature = 176-F (...

Beckson 1" Drain Plug Screw Type w/Gasket - Black [DP10-B]

Beckson Screw Type 1" Drain PlugScrew-type drain plug with patented self-cleaning thread design, O-ring, and super strength center retaining legs to secure the center while draining. Ideal install...

GROCO 3/8" NPT Bronze Inline Fuel Valve [FV-375]

3/8" NPT Bronze Inline Fuel ValveFeatures: Selectable handle rotation Full flow Mount foot included C83600 bronze construction Stainless steel handle and hardware 400 WOG PTFE seats and seals UL l...

GROCO 2" NPT x 2" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-2000]

2" NPT x 2" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow ElbowFeatures: 90 degree Male NPT x Hose connection C83600 Bronze Sizes from 1/2" to 5" Standard Flow UL Listed 647B Note- C83600...

GROCO Backing Block f/2" 2-1/2" Seacocks [BB-3]

Backing Block for 2" & 2-1/2" SeacocksFeatures: Each size fits multiple seacock sizes Press threaded brass inserts into the hull side of the backing block into the holes that match the seacoc...

T-H Marine Double Barb Inline Scupper Check Valve - 1-1/8" - Black [ILS-1200-DP]

Double Barb Inline Scupper Check Valve - 1-1/8" - BlackA great solution to provide a scupper check valve in the drain line.  Allows use of standard thru-hull fittings in the cockpit and on the hul...

TH-Marine Push-In Drain Plug f/1-1/8" Thru-Hull All Purpose Drains [PP-118-DP]

Push-In Drain Plug for 1-1/8" Thru-Hull & All Purpose DrainsThese push-in drain plugs are used to stop water flow through drains or overflows from baitwell or livewell. Also work well as plugs...

GROCO 2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2000]

2" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve in the open position), and one drain plug The zer...

T-H Marine Double Barb Inline Scupper Check Valve - 1-1/2" - Black [ILS-1500-DP]

Double Barb Inline Scupper Check Valve - 1-1/2" - BlackA great solution to provide a scupper check valve in the drain line.  Allows use of standard thru-hull fittings in the cockpit and on the hul...

T-H Marine Double Barb Inline Scupper Check Valve - 3/4" - Black [ILS-750-DP]

Double Barb Inline Scupper Check Valve - 3/4" - BlackA great solution to provide a scupper check valve in the drain line.  Allows use of standard thru-hull fittings in the cockpit and on the hull ...