Thru-Hull Fittings

Seachoice Thru-Hull Conn-White Plas-5/8 - 18030 Per ABYC "Safety Standards for Small Craft"Molded plastic with broad flange • Not recommended for use below the waterline.

2" NPS NPT Combo Bronze Thru Hull 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

Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/8"  Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B

1" NPS NPT Combo Bronze Thru Hull 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

Attwood Marine Thru Hull SS 1-1/2" 66551-3Cast 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.

Perko 1 Thru Hull Connection Bulk 0328Dp6Molded white plastic with broad flange. For use with hose. Not recommended for use below waterline. UL Listed

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

3/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting with Nut Features: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" UL Listed 647B BSPP and Stainless Steel models available

3/4" Hose Barb Stainless Curved Hose Thru Hull Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection Sizes from 3/4" to 1-3/4" Barb UL Listed 647B

1" NPS NPT Combo Stainless Steel Thru-Hull Fitting with Nut Features: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" UL Listed 647B BSPP and Stainless Steel models available

1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures:NPSM / NPT combination thread#316 Stainless SteelSizes from 1/2" to 3"UL Listed 647BBSPP and Stainless Steel models available

2-1/2" NPS NPT Combo Bronze Thru Hull 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

Sea-Dog Line Thru-Hull Fitting 5/8" 520740-1Injection molded polypropylene.

Seachoice Thru Hull W/SS Cover-1 90 Deg 50-18551 Molded from polypropylene with glass fiber for strengthNot recommended for use below the waterline.

1" 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

1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting with Nut Features: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" UL Listed 647B BSPP and Stainless Steel models available

3/4" Bronze High Speed Thru-Hull Fitting w/Nut  Features: Designed for increased flow compared to standard Thru Hulls and with less drag NPSM / NPT combination thread C83600 Bronze

3/4" 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

3/4" 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

Seachoice 4-Long Thru-Hull 3/4 -White Pla 18161 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.