Marine Plumbing & Ventilation | Thru-Hull Fittings

T-M Marine 90-Degree Cockpit Scupper Drain – White [CSD-92-DP]

90-Degree Cockpit Scupper Drain – White This cockpit scupper drain is an affordable and durable solution for draining areas below the waterline. Made from high-strength, UV-stabilized polymer, it features a…Continue readingT-M Marine 90-Degree Cockpit Scupper Drain – White [CSD-92-DP]

1-1/4″ Slotted Hi Speed Thru-Hull with Nut Features: 1-1/4″ NPSM / NPT combination thread C83600 Bronze With Nut Slotted Specifications: Hose Size: 1-1/4″ Material: Bronze Box Dimensions: 3″H x 3″W x…Continue readingGROCO 1-1/4″ Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1250-W]

1″ Slotted Hi Speed Thru-Hull with Nut Features: 1″ NPSM / NPT combination thread C83600 Bronze With Nut Slotted Specifications: Hose Size: 1″ Material: Bronze Box Dimensions: 3″H x 3″W x…Continue readingGROCO 1″ Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1000-W]

3/4″ Slotted Hi Speed Thru-Hull with Nut Features: 3/4″ NPSM / NPT combination thread C83600 Bronze With Nut Slotted Specifications: Hose Size: 3/4″ Material: Bronze Box Dimensions: 3″H x 3″W x…Continue readingGROCO 3/4″ Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-750-W]

Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2″-2″ Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifications: Hose Size: 2″ Material: Plastic Box Dimensions: 3″H x…Continue readingForespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2″-2″ [930003SS]

Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1″-1-1/4″ Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifications: Hose Size: 1-1/4″ Material: Plastic Box Dimensions: 3″H x…Continue readingForespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1″-1-1/4″ [930002SS]

Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2″-3/4″ Thru-hull only for small Pro Series valves; mushroom head, buttress thread Specifications: Hose Size: 3/4″ Material: Plastic Box Dimensions: 2″H x…Continue readingForespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1/2″-3/4″ [930001SS]

3″ Bronze Thru-Hull Fitting with Nut Higher flow rates are possible with this 3″ GROCO thru-hull fitting than conventional thru-hulls. Features: NPSM / NPT combination thread C83600 Bronze UL listed…Continue readingGROCO 3″ Bronze Thru-Hull Fitting w/Nut [TH-3000-W]

2-1/2″ Bronze Thru-Hull Fitting with Nut Higher flow rates are possible with this 2-1/2″ GROCO thru-hull fitting than conventional thru-hulls. Features: NPSM / NPT combination thread C83600 Bronze UL listed…Continue readingGROCO 2-1/2″ Bronze Thru-Hull Fitting w/Nut [TH-2500-W]

White Plastic 90 Degree Thru-Hull Connector – 1-1/8″ Inner Diameter 90° Thru-Hulls are ideal for tight installations, such as livewell overflow drains. The angled design also eliminates hose kinking. Specifications:…Continue readingAttwood White Plastic 90 Degree Thru-Hull Connector – 1-1/8″ Inner Diameter [3879-3]