Thru-Hull Fittings

1-1/4" NPS NPT Combo High Speed Pickup Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT combination thread C83600 Bronze Sizes from 3/4" to 3" Available with or without nut BSPP models...

1" NPS NPT Combo Flush Thru Hull Features: Machined flat face for flush mount or dripless applications NPSM / NPT combination thread C84400 Bronze Sizes from 1/2" to 5" Available with or without nut

Perko 1-1/8 Thru Hull Connect Bulk 0328Dp6AMolded white plastic with broad flange. For use with hose. Not recommended for use below waterline. UL Listed

Seachoice Thru Hull Conn-White Plas-1 1/8 50-18091 Per ABYC "Safety Standards for Small Craft"Molded plastic with broad flange • Not recommended for use below the waterline.

Seachoice Thru Hull W/SS Cover-1 Strat 50-18451 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.

Attwood Marine Thru Hull SS 5/8" 66546-3Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only. Lifetime warranty.

Attwood Marine Thru-Hull 1 1/8" 3874-3Molded of rugged plastic. Will not rust, corrode, discolor or contribute to electrolysis. Design eliminates hull streaking and allows countersinking wherever a flush fit is required. White.

1-1/2" BSPP Bronze Thru Hull Features: British Standard Pipe Parallel (BSPP) Thread C83600 Bronze Sizes from 1/2" to 4" UL Listed 647B Available with or without nut

Johnson Pump 3/4 Thru Hull 90Deg. 75035-00Fittings are molded of tough acetal resin so they will not rust, corrode, discolor nor are they susceptible to electrolysis.

Sea-Dog Line Thru-Hull Fitting 1 1/8" 520770-1Injection molded polypropylene.

Seachoice Thru-Hull Conn-Chrome-3/4 17941 Chrome plated molded plasticUse in place of stainless steel thru-hullsNot recommended for use below the waterline.

Attwood Marine Thru-Hull 3/4" 3873-3Molded of rugged plastic. Will not rust, corrode, discolor or contribute to electrolysis. Design eliminates hull streaking and allows countersinking wherever a flush fit is required. White.

1" 90 Degree Hose Thru-Hull Fitting  Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B

Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" Features:NPS Thread With Hose Connection#316 Stainless SteelUL Listed 647B

Seachoice Thru Hull W/SS Cover-1 1/2 St 50-18481 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.

Seachoice X-Long Thruhull 1-1/8 White Pla 18181 Extra long molded high impact white plastic with broad flangeDesigned for installation where thick transoms or side walls require up to 2-1/2" long threadNot recommended for use below the waterline.

Attwood Marine Thru Hull SS 5/8" Short 66540-3Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only. Lifetime warranty.

1-1/4" 90 Degree Hose Thru-Hull Fitting Features:90 Degree Barb#316 Stainless Steel Thru Hull with Bronze Hose ConnectionUL Listed 647B

1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting with Nut Features: NPSM / NPT combination thread C83600 Bronze Sizes from 1/2" to 5" UL Listed 647B Available with (-W) or without nut (-L) BSPP and Stainless Steel models available

2" BSPP Bronze Thru Hull Features: British Standard Pipe Parallel (BSPP) Thread C83600 Bronze Sizes from 1/2" to 4" UL Listed 647B Available with or without nut