Thru-Hull Fittings

2-1/2" Slotted Hi Speed Thru-Hull with NutFeatures:2-1/2" NPSM / NPT combination threadC83600 BronzeWith NutSlotted

1-1/2" Slotted Hi Speed Thru-Hull with NutFeatures:1-1/2" NPSM / NPT combination threadC83600 BronzeWith NutSlotted

1-1/4" Slotted Hi Speed Thru-Hull with NutFeatures:1-1/4" NPSM / NPT combination threadC83600 BronzeWith NutSlotted

1" Slotted Hi Speed Thru-Hull with NutFeatures:1" NPSM / NPT combination threadC83600 BronzeWith NutSlotted

3/4" Slotted Hi Speed Thru-Hull with NutFeatures:3/4" NPSM / NPT combination threadC83600 BronzeWith NutSlotted

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

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

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

1-1/2" Duplex Stainless Steel 90 Degree Thru-Hull FittingSpecifications:Hose Size: 1-1/2"Dimensions: Flange O.D.: 2-3/8" Thread Length: 1-5/8" Barb Length: 1-1/2" Overall Length: 4" Cut Out: 1-1/2"Max. Hull Thickness:...

Thru-Hull with Scupper Valve - Injection Molded AcetelThis Thru-Hull Scupper Valve mounts through the transom and provides a water exit for boats with self-bailing cockpits. Ideal for above the water line drainage. Valve features a soft black flapper...

3" Bronze Thru-Hull Fitting with NutHigher flow rates are possible with this 3" GROCO thru-hull fitting than conventional thru-hulls.Features:NPSM / NPT combination threadC83600 BronzeUL listed 647BIncludes nut BSPP and stainless steel models are...

2-1/2" Bronze Thru-Hull Fitting with NutHigher flow rates are possible with this 2-1/2" GROCO thru-hull fitting than conventional thru-hulls.Features:NPSM / NPT combination threadC83600 BronzeUL listed 647BIncludes nut BSPP and stainless steel...