Thru-Hull Fittings

Perko 2 Bronze Thru Hull with Nut 0322009PlbCast bronze. Flange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8" from flange. Includes flange nut. UL Listed.

Perko 5/8 Thru Hull Connection 0328Dp4AMolded white plastic with broad flange. For use with hose. Not recommended for use below waterline. UL Listed

Perko Perko Plastic Thru-Hull 0301Dp5Molded white plastic with narrow flange. For use with hose. UL Listed

Perko Thru-Hull 1-1/2" Plastic 0301Dp8Molded white plastic with narrow flange. For use with hose. UL Listed

Sea-Dog Line Thru-Hull-3/4 520750Injection molded polypropylene.

Seachoice Thru Hull W/SS Cover-1 1/4 90 50-18571 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.

Seachoice Thru Hull W/SS Cover-5/8 Strt 50-18431 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.

Seachoice Thru-Hull Conn-Black Plas-3/4 50-18151 Per ABYC "Safety Standards for Small Craft"Molded plastic with broad flange • Not recommended for use below the waterline.

Seachoice Thru-Hull Conn-White 11/2 x 90Deg 50-18121 One nut applicationDesigned for use with one back nut, unlike old style 90°, thru-hull with both front and back nutMade of hi-impact white plasticDesigned for easier application where hose is...

Attwood Marine 3/4" Thru Hull Connector 3896-3Molded 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.

Attwood Marine Conn-Th .63 White 3872-1Molded 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.

Attwood Marine Thru Hull SS 1" Short 66542-3Cast 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 SS 1-1/2" Short 66545-3Cast 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 SS 1-1/4" Short 66544-3Cast 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 SS 3/4" Short 66541-3Cast 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 Connector 5/8" White 3872-3Molded 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.

2" NPS NPT Combo XL Bronze Thru Hull Features: Extra long NPSM / NPT combination thread C83600 Bronze Sizes from 3/4" to 2" Available with or without nut Stainless Steel models available

2-1/2" 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

Perko 1 1/2 Thru Hull Connection 0350008DppThese fittings have a hose barb connection and are recommended for use above the waterline only. The flange is machined to fit the hull tightly and grooved to retain bedding compound. Minimum hull thickness 3/8"...

Perko 1 1/4 Bronze Thru Hull with Nut 0322Dp7PlbCast bronze. Flange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8" from flange. Includes flange nut. UL Listed.