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Marine Plumbing & Ventilation - Thru-Hull Fittings

87 total items

GROCO 3/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-750-W]

SKU: 75343

3/4" Bronze Extra Long Thru-Hull Fitting w/Nut Features: 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:...

GROCO 3/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-750-W]

SKU: 75343
in stock

Sale price $24.99

Save $14.01

GROCO 1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-500-W]

SKU: 75329

1/2" Bronze Combo Scoop Thru-Hull w/NutFeatures: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 Bronze Specifications:Thread NPS: 1/2" Specifications: Hose Size: 1/2" Material: Bronze...

GROCO 1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-500-W]

SKU: 75329
in stock

Sale price $21.99

Save $13.01

GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-750-W]

SKU: 74290

3/4" 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...

GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-750-W]

SKU: 74290
in stock

Sale price $14.99

Save $8.01

Perko 1/2" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4]

SKU: 39173

Perko 1/2" Thru-Hull Fitting f/ Hose Plastic Molded White Plastic Broad FlangeTechnical Information: Hose Size Inches: 1/2 Mounting Hole Diameter Inches: 13/16 Maximum Hull Thickness Inches: 1-1/4 O.D. Flange Inches:...

Perko 1/2" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4]

SKU: 39173
in stock

Sale price $3.99

Save $3.58

GROCO 3/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-750-W]

SKU: 75330

3/4" 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: 3/4" Specifications: Hose Size: 3/4" Material: Bronze...

GROCO 3/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-750-W]

SKU: 75330
in stock

Sale price $27.99

Save $16.01

GROCO 3/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut [HSTHXL-750-W]

SKU: 75384

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...

GROCO 3/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut [HSTHXL-750-W]

SKU: 75384
in stock

Sale price $23.99

Save $14.01

GROCO 2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-2000-W]

SKU: 75380

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: Hose Size: 2"...

GROCO 2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-2000-W]

SKU: 75380
in stock

Sale price $59.99

Save $37.01

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1" [HTH-1000-S]

SKU: 75225

Stainless Steel Hose Barb Thru-Hull Fitting - 1" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 1" Material: Stainless Steel Box Dimensions: 3"H x...

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1" [HTH-1000-S]

SKU: 75225
in stock

Sale price $25.99

Save $15.01

GROCO 1" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1000-W]

SKU: 75377

1" 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"...

GROCO 1" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1000-W]

SKU: 75377
in stock

Sale price $20.99

Save $12.01

GROCO 3/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-750-W]

SKU: 75376

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 Specifications: Hose Size: 3/4"...

GROCO 3/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-750-W]

SKU: 75376
in stock

Sale price $13.99

Save $8.01

Perko 1-1/4" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP7PLB]

SKU: 39170

Perko 1-1/4" 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...

Perko 1-1/4" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP7PLB]

SKU: 39170
in stock

Sale price $54.99

Save $67.89

GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1500-WS]

SKU: 74303

1-1/2" 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...

GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1500-WS]

SKU: 74303
in stock

Sale price $42.99

Save $26.01

GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1000-WS]

SKU: 75349

1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: Material: Stainless Steel Hose Size: 1" Box Dimensions: 5"H x 6"W...

GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1000-WS]

SKU: 75349
in stock

Sale price $38.99

Save $24.01

GROCO 1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1500-W]

SKU: 75346

1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread C83600 Bronze Specifications: Hose Size: 1-1/2" Material: Bronze Box Dimensions: 3"H x 3"W x 6"L WT:...

GROCO 1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1500-W]

SKU: 75346
in stock

Sale price $53.99

Save $32.01

GROCO 1-1/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-1250-W]

SKU: 75332

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...

GROCO 1-1/4" Bronze Combo Scoop Thru-Hull w/Nut [STH-1250-W]

SKU: 75332
in stock

Sale price $53.99

Save $32.01

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 2" [HTH-2000-S]

SKU: 75229

Stainless Steel Hose Barb Thru-Hull Fitting - 2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 2" Material: Stainless Steel Box Dimensions: 5"H x...

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 2" [HTH-2000-S]

SKU: 75229
in stock

Sale price $64.99

Save $39.01

GROCO 1" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1000-WS]

SKU: 74301

1" 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...

GROCO 1" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1000-WS]

SKU: 74301
in stock

Sale price $36.99

Save $23.01

GROCO 1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-500-WS]

SKU: 74299

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...

GROCO 1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-500-WS]

SKU: 74299
in stock

Sale price $13.99

Save $8.01

GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]

SKU: 74289

1/2" 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...

GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]

SKU: 74289
in stock

Sale price $12.99

Save $8.01

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" [HTH-750-S]

SKU: 75224

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 Dimensions: 3"H x...

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 3/4" [HTH-750-S]

SKU: 75224
in stock

Sale price $20.99

Save $13.01