Marine Plumbing & Ventilation - Thru-Hull Fittings

Perko 1-1/8" Thru-Hull Connection f/ use with Hose Chrome Plated BronzeFlange is machined to fit and grooved to retain bedding compound neck isthreaded to approximately 3/16 inch from flange. Cast bronze, plain or chromed brass Regular or short length versons Regular Length- Fits maximum...

Perko 5/8" Thru-Hull Fitting f/ Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 5/8 Mounting Hole Diameter Inches: 13/16 Maximum Hull Thickness Inches: 1-1/4 O.D. Flange Inches: 1-1/2 Model Number: 0328DP4A Ship Weight: 1.0/6.1 lbs. MADE IN THE USA Specifications: Hose...

Perko 5" X 3-1/4" Scoop Strainer BronzeCast bronzeMachine slotsTechnical Information: For Thru-Hull Size Inches: 3/4 & 1 Dimensions Strainer Inches: 5 X 3-1/4 Model Number: 0066DP2PLB Ship Weight: 4.4/4.3 lbs. Screw Size: #8 Specifications: Material: Bronze Box Dimensions: 1"H x 3"W x 5"L WT:...

Perko 1" Thru-Hull Fitting f/ Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 1 Mounting Hole Diameter Inches: 1-1-5/16 Maximum Hull Thickness Inches: 1-1/2 O.D. Flange Inches: 2-1/4 Model Number: 0328DP6 Ship Weight: 2.0/7.3 lbs. MADE IN THE USA Specifications: Hose...

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 thread C83600 Bronze UL listed 647B Includes nut  BSPP and stainless steel models are available Specifications:Thread NPS: 2-1/2" Specifications: Hose Size:...

1-1/4" 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 Specifications: Hose Size: 1-1/4" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 1.05 lbs UPC: 742985143128...

1-1/4" Slotted Hi Speed Thru-Hull with NutFeatures: 1-1/4" NPSM / NPT combination thread C83600 Bronze With Nut Slotted Specifications: Hose Size: 1-1/4" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 1.1 lbs UPC: 742985193666

2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: Hose Size: 2" Material: Stainless Steel Box Dimensions: 5"H x 6"W x 7"L WT: 2.6 lbs UPC: 742985175198

1" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: 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 Specifications: Hose Size: 1" Material: Bronze Box Dimensions: 3"H...

Stainless Steel Thru-Hull Short Straight Barbed - 1-1/2" Inner Diameter Polish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat?Rugged Stainless Construction: Cast from certified Enhanced 316 Stainless Steel alloy...

Stainless Steel Scupper Valve Barbed - 1-1/2" Hose SizePolish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat?Rugged Stainless Construction: Cast from certified Enhanced 316 Stainless Steel alloy for strength...

Perko 3/4" Thru-Hull Fitting f/ Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 3/4 Mounting Hole Diameter Inches: 1 Maximum Hull Thickness Inches: 1-7/16 O.D. Flange Inches: 1-7/8 Model Number: 0328DP5 Ship Weight: 1.3/9.1 lbs. MADE IN THE USA Specifications: Hose...

Perko 3/4" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neckis threaded to approximately 3/8 inch from flange.Cast bronze.Technical Information: Pipe Size Inches: 3/4 Mouting Hole Diameter Inches: 1 Maximum Hull Thickness Inches: 1-1/2 O.D....

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 will last the life of the boat?Rugged Stainless Construction: Cast from certified Enhanced 316 Stainless Steel alloy for...

Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 1-1/2" Material: Stainless Steel Box Dimensions: 5"H x 5"W x 5"L WT: 1.25 lbs UPC: 742985139015

Bronze Hose Barb Thru-Hull Fitting - 3/4" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 3/4" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L WT: 0.5 lbs UPC: 742985005211

2" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" UL Listed 647B BSPP and Stainless Steel models available Specifications: Hose Size: 2" Material: Stainless Steel Box Dimensions: 5"H x 6"W x...

6-1/4" X 4-1/4" Scoop Strainer BronzeFeatures: Cast bronze Machine slots Technical Information: For Thru-Hull Size Inches: 1-1/4 & 1-1/2 Dimensions Strainer Inches: 6-1/4 X 4-1/4 Model Number: 0066DP3PLB Ship Weight: 6.4/5.8 lbs. Screw Size: #8 *Must be ordered in the case pack size (5)...

2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: 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 Specifications: Hose Size: 2" Material: Bronze Box Dimensions: 4"H...

3/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut Features: Designed for increased flow compared to standard Thru Hulls and with less drag Extra Long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 3/4" Material: Bronze Box Dimensions: 3"H x 3"W x 6"L WT:...