Marine Plumbing & Ventilation - Thru-Hull Fittings

102 products

Attwood White Plastic Thru-Hull Fitting - 1-1/8

$9.99

White Plastic Thru-Hull Fitting - 1-1/8" Inner DiameterThis thru-hull fitting is made with a durable, thermoplastic construction, which prevents electrolysis.Specifications: Hose Size: (inch) 1-1/...

10% Off

Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/8

$37.99

~~$42.28~~

Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/8" Inner DiameterPolish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings wi...

15% Off

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 3/4

$28.99

~~$34.00~~

Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 3/4" Material: Stainless Steel Box Dime...

16% Off

GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/8

$40.99

~~$49.00~~

Bronze Hose Barb Thru-Hull Fitting - 1-1/8" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1-1/8" Material: Bronze Box Dimensions: 3"H x 3"W x 4...

16% Off

$85.99

~~$102.00~~

2" 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 Specifications: H...

22% Off

$48.99

~~$62.46~~

Perko 5/8" Thru-Hull Connection f/ use with Hose BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approximately 3/16 inch from flange. Cast bronze, plain o...