Marine Plumbing & Ventilation - Thru-Hull Fittings
Perko 1" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP6]
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 Size: 1" Material: Plastic Box Dimensions: 2"H x 2"W x 4"L WT: 0.15 lbs UPC: 085226768507
$16.19$9.50
GROCO 3/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut [HSTHXL-750-W]
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 7"L WT: 0.8 lbs UPC: 742985145702
$40.00$28.50
GROCO 1-1/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-1250-W]
1-1/4" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 Bronze Specifications:Thread NPS: 1-1/4" Specifications: Hose Size: 1-1/4" Material: Bronze Box Dimensions: 5"H x 5"W x 5"L WT: 1.9 lbs UPC: 742985063914
$86.00$55.50
GROCO 1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1500-WS]
1-1/2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: Hose Size: 1-1/2" Material: Stainless Steel Box Dimensions: 5"H x 6"W x 7"L WT: 2.1 lbs UPC: 742985175181
$79.00$51.50
Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1"-1-1/4" [930002SS]
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 Specifications: Hose Size: 1-1/4" Material: Plastic Box Dimensions: 2"H x 2"W x 3"L WT: 0.2 lbs Brochure (pdf)
$19.99$18.50
Forespar Pro Series Valve Stainless Steel Capped Thru-Hull Fits 1-1/2"-2" [930003SS]
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 Specifications: Hose Size: 2" Material: Plastic Box Dimensions: 3"H x 3"W x 3"L WT: 0.2 lbs Brochure (pdf)
$20.50
Attwood Stainless Steel Thru-Hull Short Straight Barbed - 1-1/2" Inner Diameter [66545-3]
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 for strength and lifetime corrosion-resistance All visible areas are polished to a mirror finish, then passivate each part for additional protection Thick steel sidewalls withstand continual stress and hose flexing Faster, Simpler Installation: Each Thru-Hull is available with a new silicone gasket A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal All models have wrench flats or an end notch to hold as a gripping surface; one installer can tighten all connections from inside the hull The barbed tail ends provide plenty of room to hold multiple clamps Stainless Steel Straight Thru-Hulls, BarbedShort Thread is a more compact size, which allows installation near corners and in confined areasSpecifications: Hose size: (inch) 1-1/2" inner diameter Flange Diameter: (inch) 3" Thread O.D. (outside diameter): (inch) 1-7/8" Thread Length: (inch) 1-1/4" Barb Length: (inch) 1-1/2" Total Length: (inch) 3-1/8" Install Hole Saw Size: (inch) 2" Thread NPSM: (inch) 1-1/2" Max Hull Thickness: (inch) 5/8" *Stainless Steel Thru-Hull Connectors are designed for installation above the water line only Specifications: Hose Size: 1-1/2" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 3"L WT: 1.2 lbs UPC: 022697665454 Quick Guide (pdf)
$61.99$49.50
GROCO Bronze Hose Barb Thru-Hull Fitting - 1/2" [HTH-500]
Bronze Hose Barb Thru-Hull Fitting - 1/2" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 1/2" Material: Bronze Box Dimensions: 3"H x 3"W x 5"L WT: 0.45 lbs UPC: 742985004900
$21.00$17.50
GROCO 1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-500-WS]
1/2" 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: 1/2" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 5"L WT: 0.45 lbs UPC: 742985158887
$22.00$17.50
GROCO 2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-2000-W]
2" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 2" Material: Bronze Box Dimensions: 4"H x 4"W x 6"L WT: 2.6 lbs UPC: 742985141780
$124.00$70.50
Attwood Plastic Thru-Hull Fitting - 1-1/2" - White [3875-3]
Plastic Thru-Hull Fitting - 1-1/2" - WhiteThese thru-hulls are made with a durable, thermoplastic construction which prevents electrolysis.Caution: Thru-Hull connectors are designed for installation above the water line only.Specifications: Fits Hose Size: 1-1/2" I.D. Stem Length: 3-1/2" Max. Hull Thickness: 1-1/4" Flange Diameter: 3" Installation Hose Size: 1-7/8" to 2" Construction: Polypropylene WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Hose Size: 1-1/2" Material: Plastic Box Dimensions: 4"H x 6"W x 9"L WT: 0.2 lbs UPC: 022697387530
$14.50
GROCO 3/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-750-WS]
3/4" 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: 3/4" Material: Stainless Steel Box Dimensions: 3"H x 3"W x 5"L WT: 0.5 lbs UPC: 742985146464
$21.00$17.50