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Marine Plumbing & Ventilation

1287 total items

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

SKU: 83962

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...

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

SKU: 83962
in stock

Sale price $17.99

Save $10.52

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

SKU: 83963

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...

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

SKU: 83963
in stock

Sale price $17.99

Save $10.52

T-H Marine OXYGENATOR Livewell Oxygen Generator [O2-BK3-DP]

SKU: 81720

OXYGENATOR™ Livewell Oxygen GeneratorPro Live Well Flush MountThe OXYGENATOR™ Pro Live Well Flush Mount is a livewell oxygen generator that will retrofit most boat live wells from 10 to 20...

T-H Marine OXYGENATOR Livewell Oxygen Generator [O2-BK3-DP]

SKU: 81720
in stock

Sale price $151.99

Save $86.73

TH-Marine Push-In Drain Plug for 1-1/2" Thru-Hull Drains [PP-150-DP]

SKU: 84168

Push-In Drain Plug f/1-1/2" Thru-Hull DrainsThese push-in drain plugs are used to stop water flow through drains or overflows from baitwell or livewell. Also work well as plugs for sink...

TH-Marine Push-In Drain Plug for 1-1/2" Thru-Hull Drains [PP-150-DP]

SKU: 84168
in stock

Sale price $10.99

Save $6.20

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

SKU: 83961

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...

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

SKU: 83961
in stock

Sale price $17.99

Save $10.52

T-H Marine Scupper Flapper Repair Kit [FSRK-3-DP]

SKU: 84221

Scupper Flapper Repair KitThe flapper scupper repair kit should take care of any flapper replacement job.  The traditional flapper scuppers use molded rubber flappers that curl and deform over time,...

T-H Marine Scupper Flapper Repair Kit [FSRK-3-DP]

SKU: 84221
in stock

Sale price $10.99

Save $8.27

T-H Marine Flow-Max Ball Scupper - Clear [FMS-1-0-DP]

SKU: 88080

Flow-Max™ Ball Scupper - ClearReplace your old worn-out flapper scupper with our new Flow-Max™ positive sealing ball scupper. A larger exit hole allows 70% more water drainage than its nearest...

T-H Marine Flow-Max Ball Scupper - Clear [FMS-1-0-DP]

SKU: 88080
in stock

Sale price $13.99

Save $6.24

T-H Marine Washdown Valve w/Chrome Base [WDV-1CP-DP]

SKU: 100598

Washdown Valve with Chrome BaseA bulkhead-mounted washdown fitting that is inexpensive, functional, easy to install, and rust-proof. This injection-molded, chrome-plated ABS fitting is 2 1/4" in diameter and mounts in...

T-H Marine Washdown Valve w/Chrome Base [WDV-1CP-DP]

SKU: 100598
in stock

Sale price $32.99

Save $13.77

T-H Marine Washdown Fitting w/Shutoff Valve [WDV-1-DP]

SKU: 100597

Washdown Fitting with Shutoff ValveThis bulkhead-mounted washdown fitting is inexpensive, functional, easy to install, and rust-proof. This injection-molded plastic fitting is 2 1/4" in diameter and mounts in a 1...

T-H Marine Washdown Fitting w/Shutoff Valve [WDV-1-DP]

SKU: 100597
in stock

Sale price $30.99

Save $11.64

T-H Marine Straight Barbed All-Purpose Drain - White [APD-2-DP]

SKU: 94366

Straight Barbed All-Purpose Drain - White1-3/8" White Concaive Head Drain. These molded drains, available in straight and 90-degree versions, offer a low-cost method to drain water from virtually anywhere. They...

T-H Marine Straight Barbed All-Purpose Drain - White [APD-2-DP]

SKU: 94366
in stock

Sale price $4.99

Save $2.79