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Marine Plumbing & Ventilation - Thru-Hull Fittings

93 total items

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

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500-S]

SKU: 75228

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...

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500-S]

SKU: 75228
in stock

Sale price $51.99

Save $32.01

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" [HTH-500-S]

SKU: 75222

Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" Features: NPS Thread With Hose Connection #316 Stainless Steel UL Listed 647B Specifications: Hose Size: 1/2" Material: Stainless Steel Box Dimensions: 3"H x...

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" [HTH-500-S]

SKU: 75222
in stock

Sale price $24.99

Save $14.01

GROCO 1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1250-W]

SKU: 74292

1-1/4" 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 1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1250-W]

SKU: 74292
in stock

Sale price $33.99

Save $21.01

GROCO 1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1250-W]

SKU: 75378

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"...

GROCO 1-1/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1250-W]

SKU: 75378
in stock

Sale price $36.99

Save $23.01

GROCO Bronze Hose Barb Thru-Hull Fitting - 1/2" [HTH-500]

SKU: 75214

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 4"L...

GROCO Bronze Hose Barb Thru-Hull Fitting - 1/2" [HTH-500]

SKU: 75214
in stock

Sale price $12.99

Save $7.01

Perko 2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322009PLB]

SKU: 39172

Perko 2" Thru-Hull Fitting w/ Pipe Thread BronzeFlange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8 inch from flange.Cast Bronze.Technical Information:...

Perko 2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322009PLB]

SKU: 39172
in stock

Sale price $82.99

Save $126.02

GROCO 3" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-3000-W]

SKU: 75382

3" 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"...

GROCO 3" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-3000-W]

SKU: 75382
in stock

Sale price $175.99

Save $108.01

Perko 3-1/2" x 2-1/2" Scoop Strainer Bronze MADE IN THE USA [0066DP1PLB]

SKU: 39148

Perko 3-1/2" X 2-1/2" Scoop Strainer BronzeCast bronzeMachine slotsTechnical Information: For Thru-Hull Size Inches: 3/8 & 1/2 Dimensions Strainer Inches: 3-1/2 x 2-1/2 Model Number: 0066DP1PLB Ship Weight: 2.0/1.8 lbs....

Perko 3-1/2" x 2-1/2" Scoop Strainer Bronze MADE IN THE USA [0066DP1PLB]

SKU: 39148
in stock

Sale price $15.99

Save $19.87

GROCO Bronze Hose Barb Thru-Hull Fitting - 5/8" [HTH-625]

SKU: 75215

Bronze Hose Barb Thru-Hull Fitting - 5/8" Features: NPS Thread With Hose Connection C83600 Bronze UL Listed 647B Specifications: Hose Size: 5/8" Material: Bronze Box Dimensions: 3"H x 3"W x 4"L...

GROCO Bronze Hose Barb Thru-Hull Fitting - 5/8" [HTH-625]

SKU: 75215
in stock

Sale price $16.99

Save $9.01

Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze Extra Long - Max Hull 5" Thick [0348DP5PLB]

SKU: 41820

Extra Long Thru-Hull Connection for Use with PipePart #: 0348DP5PLBFlange is machined to fit the hull and grooved to retain bedding compound neck is threaded to approximately 3/8 inch from...

Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze Extra Long - Max Hull 5" Thick [0348DP5PLB]

SKU: 41820
in stock

Sale price $58.99

Save $59.73

Perko 5" x 3-1/4" Scoop Strainer Bronze MADE IN THE USA [0066DP2PLB]

SKU: 39149

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....

Perko 5" x 3-1/4" Scoop Strainer Bronze MADE IN THE USA [0066DP2PLB]

SKU: 39149
in stock

Sale price $30.99

Save $31.17

Attwood Stainless Steel Scupper Valve Barbed - 1-1/2" Hose Size [66553-3]

SKU: 98094

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...

Attwood Stainless Steel Scupper Valve Barbed - 1-1/2" Hose Size [66553-3]

SKU: 98094
in stock

Sale price $66.99

Save $33

Perko 1" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP6PLB]

SKU: 39169

Perko 1" 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" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP6PLB]

SKU: 39169
in stock

Sale price $36.99

Save $50.57

GROCO 3/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-750-WS]

SKU: 74300

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...

GROCO 3/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-750-WS]

SKU: 74300
in stock

Sale price $12.99

Save $8.01

GROCO 1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1500-W]

SKU: 74293

1-1/2" 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 1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1500-W]

SKU: 74293
in stock

Sale price $43.99

Save $27.01

GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]

SKU: 74291

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...

GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]

SKU: 74291
in stock

Sale price $20.99

Save $12.01