Marine Plumbing & Ventilation

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Frabill Replacement Aeration Stones [14281]

Frabill Replacement Aeration Stones [14281]

$8.99
Replacement Aeration StonesAir stones can become clogged with mineral deposits which hamper their performance. Keep your portable aerator operating at peak efficiency by replacing the air stone on a regular...
TH-Marine Push-In Drain Plug f/1-1/8" Thru-Hull  All Purpose Drains [PP-118-DP]

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

$10.62
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...
T-H Marine Flow-Max Ball Scupper - Clear [FMS-1-0-DP]

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

$20.23
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...
Attwood Gear Lube Pump [11891D7]

Attwood Gear Lube Pump [11891D7]

$9.99
Gear Lube PumpThis Attwood Gear Lube Pump offers a universal fit so it can be used with the greatest number of engines. This pump is intended for use with a...
T-H Marine Large Rectangular Scupper - White [LRS-2-DP]

T-H Marine Large Rectangular Scupper - White [LRS-2-DP]

$17.35
Large Rectangular Scupper - WhiteThis large rectangular scupper is made for quickly draining decks above the waterline. Features: Can quickly drain decks Made for decks above the waterline Max. drainage for...
Attwood Stainless Steel Garboard Drain Plug - 7/8" Diameter [7557-7]

Attwood Stainless Steel Garboard Drain Plug - 7/8" Diameter [7557-7]

$37.99
Stainless Steel Garboard Drain Plug - 7/8" DiameterThe Garboard Drain Plug is a threaded removable plug, which has a retention system that keeps the plug from getting lost. Features: High-polished #316...
Attwood Scupper Valve [3876-3]

Attwood Scupper Valve [3876-3]

$12.99
Scupper ValveProvides a water exit for boats with self-bailing cockpits. Acetal construction. Accommodates 3875B thru-transom thru-hull connector (screw holes must be drilled for installation.) Diameter: 2-7/8" Use as a replacement...
T-H Marine Double Barb Inline Scupper Check Valve - 3/4" - Black [ILS-750-DP]

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

$28.51
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 - 1-1/8" - Black [ILS-1200-DP]

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

$28.51
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...
TH-Marine Push-In Drain Plug for 1-1/2" Thru-Hull Drains [PP-150-DP]

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

$17.19
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...
Attwood 3-Way Auto/Off/Manual Bilge Pump Switch [7615A3]

Attwood 3-Way Auto/Off/Manual Bilge Pump Switch [7615A3]

$24.99
3-Way Auto/Off/Manual Bilge Pump SwitchPart #: 7615A3Panel-mounted rocker switches for use with pump that draws 10 amps or less. Features: 1/4" spade terminals 6-volt through 32-volt D.C. only 10 amps...
Attwood Automatic Float Switch - 12V & 24V [4202-7]

Attwood Automatic Float Switch - 12V & 24V [4202-7]

$34.99
Float SwitchPart #: 4202-7Converts bilge pumps to fully automatic operation. Maximum amp draw is 12 amps (at 12-volt D.C.) or 6-amps (at 24-Volts D.C.). Features a compact, low profile design...