Marine Plumbing & Ventilation

Pumps, hoses, fittings, and ventilation systems for smooth onboard operation.

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GROCO 12 NPT Bronze Inline Fuel Valve FV500

GROCO 1/2" NPT Bronze Inline Fuel Valve [FV-500]

Regular price $44.00
Sale price $44.00 Regular price $0.00
Unit price
1/2" NPT Bronze Inline Fuel ValveFeatures: Selectable handle rotation Full flow Mount foot included C83600...
GROCO 34 NPT x 34 ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow PTHC750

GROCO 3/4" NPT x 3/4" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-750]

Regular price $16.00
Sale price $16.00 Regular price $0.00
Unit price
3/4" NPT x 3/4" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow ElbowFeatures:...
GROCO 1 Bronze NPS to NPT Flange Adapter IBVF1000

GROCO 1" Bronze NPS to NPT Flange Adapter [IBVF-1000]

Regular price $69.00
Sale price $69.00 Regular price $0.00
Unit price
1" Bronze NPS to NPT Flange AdapterIBVF Flanged Adapters have been developed to address several...
GROCO 34 NPT Bronze InLine Ball Valve IBV750

GROCO 3/4" NPT Bronze In-Line Ball Valve [IBV-750]

Regular price $41.00
Sale price $41.00 Regular price $0.00
Unit price
3/4" NPT Bronze In-Line Ball ValveFeatures: Female NPT Threads 1-1/4" sizes and larger include a...
GROCO 12 NPT Bronze InLine Ball Valve IBV500

GROCO 1/2" NPT Bronze In-Line Ball Valve [IBV-500]

Regular price $35.00
Sale price $35.00 Regular price $0.00
Unit price
1/2" NPT Bronze In-Line Ball ValveFeatures: Female NPT Threads 1-1/4" sizes and larger include a...
GROCO 112 NPS NPT Combo Bronze ThruHull Fitting wNut TH1500W

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

Regular price $71.00
Sale price $71.00 Regular price $0.00
Unit price
1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes...
GROCO 114 Bronze NPS to NPT Flange Adapter IBVF1250

GROCO 1-1/4" Bronze NPS to NPT Flange Adapter [IBVF-1250]

Regular price $79.00
Sale price $79.00 Regular price $0.00
Unit price
1-1/4" Bronze NPS to NPT Flange AdapterIBVF Flanged Adapters have been developed to address several...
GROCO 114 NPT x 114 ID Bronze Pipe to Hose Straight Fitting PTH1250

GROCO 1-1/4" NPT x 1-1/4" ID Bronze Pipe to Hose Straight Fitting [PTH-1250]

Regular price $24.00
Sale price $24.00 Regular price $0.00
Unit price
1-1/4" NPT x 1-1/4" ID Bronze Pipe to Hose Straight FittingFeatures: Male NPT x Hose...
GROCO 114 NPT Bronze InLine Ball Valve IBV1250

GROCO 1-1/4" NPT Bronze In-Line Ball Valve [IBV-1250]

Regular price $108.00
Sale price $108.00 Regular price $0.00
Unit price
1-1/4" NPT Bronze In-Line Ball ValveFeatures: Female NPT Threads 1-1/4" sizes and larger include a...
GROCO 1 316 Stainless Steel NPS to NPT Flange Adapter IBVF1000S

GROCO 1" #316 Stainless Steel NPS to NPT Flange Adapter [IBVF-1000-S]

Regular price $86.00
Sale price $86.00 Regular price $0.00
Unit price
1" #316 Stainless Steel NPS to NPT Flange AdapterIBVF Flanged Adapters have been developed to...
GROCO 114 NPT x 118 ID Bronze Pipe to Hose Straight Fitting PTH1125

GROCO 1-1/4" NPT x 1-1/8" ID Bronze Pipe to Hose Straight Fitting [PTH-1125]

Regular price $24.00
Sale price $24.00 Regular price $0.00
Unit price
1-1/4" NPT x 1-1/8" ID Bronze Pipe to Hose Straight FittingFeatures: Male NPT x Hose...
GROCO 38 NPT Bronze InLine Ball Valve IBV375

GROCO 3/8" NPT Bronze In-Line Ball Valve [IBV-375]

Regular price $27.00
Sale price $27.00 Regular price $0.00
Unit price
3/8" NPT Bronze In-Line Ball ValveFeatures: Female NPT Threads 1-1/4" sizes and larger include a...
GROCO 34 Bronze TriFlanged Ball ValveSeacock FBV750
GROCO 34 Bronze TriFlanged Ball ValveSeacock FBV750

GROCO 3/4" Bronze Tri-Flanged Ball Valve/Seacock [FBV-750]

Regular price $87.00
Sale price $87.00 Regular price $0.00
Unit price
3/4" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for...
GROCO 2 NPT x 2 ID Bronze Pipe to Hose Straight Fitting PTH2000

GROCO 2" NPT x 2" ID Bronze Pipe to Hose Straight Fitting [PTH-2000]

Regular price $41.00
Sale price $41.00 Regular price $0.00
Unit price
2" NPT x 2" ID Bronze Pipe to Hose Straight FittingFeatures: Male NPT x Hose...
GROCO 2 NPS NPT Combo Stainless Steel ThruHull Fitting wNut TH2000WS

GROCO 2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-2000-WS]

Regular price $95.00
Sale price $95.00 Regular price $0.00
Unit price
2" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316...
GROCO Perforated Hull Strainer wAccess Door 3 Max ThruHull APHS30001

GROCO Perforated Hull Strainer w/Access Door 3" Max Thru-Hull [APHS-3000-1]

Regular price $555.00
Sale price $555.00 Regular price $0.00
Unit price
Perforated Hull Strainer with Access Door 3" Max Thru-HullFeatures: Access door design allows easy access...
GROCO 114 NPT x 114 ID Stainless Steel Pipe to Hose Straight Fitting PTH1250S

GROCO 1-1/4"" NPT x 1-1/4" ID Stainless Steel Pipe to Hose Straight Fitting [PTH-1250-S]

Regular price $30.00
Sale price $30.00 Regular price $0.00
Unit price
1-1/4"" NPT x 1-1/4" ID Stainless Steel Pipe to Hose Straight Fitting Features: Male NPT x...
GROCO 14 NPT Bronze Inline Fuel Valve FV250

GROCO 1/4" NPT Bronze Inline Fuel Valve [FV-250]

Regular price $27.00
Sale price $27.00 Regular price $0.00
Unit price
1/4" NPT Bronze Inline Fuel ValveFeatures: Selectable handle rotation Full flow Mount foot included C83600...
GROCO 114 Ball ValveSeacock Raw Water Strainer Combo BVS1250

GROCO 1-1/4" Ball Valve/Seacock Raw Water Strainer Combo [BVS-1250]

Regular price $1,544.00
Sale price $1,544.00 Regular price $0.00
Unit price
1-1/4" Ball Valve/Seacock & Raw Water Strainer ComboFeatures: Square hole in handle accepts standard ratchet...
GROCO 112 Bronze NPS to NPT Flange Adapter IBVF1500

GROCO 1-1/2" Bronze NPS to NPT Flange Adapter [IBVF-1500]

Regular price $101.00
Sale price $101.00 Regular price $0.00
Unit price
1-1/2" Bronze NPS to NPT Flange AdapterIBVF Flanged Adapters have been developed to address several...
GROCO 114 Bronze TriFlanged Ball ValveSeacock FBV1250
GROCO 114 Bronze TriFlanged Ball ValveSeacock FBV1250

GROCO 1-1/4" Bronze Tri-Flanged Ball Valve/Seacock [FBV-1250]

Regular price $152.00
Sale price $152.00 Regular price $0.00
Unit price
1-1/4" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for...
GROCO 34 NPT x 1 ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting FFC750

GROCO 3/4" NPT x 1" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-750]

Regular price $25.00
Sale price $25.00 Regular price $0.00
Unit price
3/4" NPT x 1" ID Bronze Full Flow 90° Elbow Pipe to Hose FittingFeatures: 90...
GROCO 112 NPT x 112 ID Stainless Steel Pipe to Hose Straight Fitting PTH1500S

GROCO 1-1/2"" NPT x 1-1/2" ID Stainless Steel Pipe to Hose Straight Fitting [PTH-1500-S]

Regular price $38.00
Sale price $38.00 Regular price $0.00
Unit price
1-1/2"" NPT x 1-1/2" ID Stainless Steel Pipe to Hose Straight Fitting Features: Male NPT x...
GROCO 34 Ball ValveSeacock Raw Water Strainer Combo BVS750

GROCO 3/4" Ball Valve/Seacock Raw Water Strainer Combo [BVS-750]

Regular price $944.00
Sale price $944.00 Regular price $0.00
Unit price
3/4" Ball Valve/Seacock & Raw Water Strainer ComboFeatures: Square hole in handle accepts standard ratchet...
GROCO 112 NPT x 112 ID Bronze Pipe to Hose Straight Fitting PTH1500

GROCO 1-1/2" NPT x 1-1/2" ID Bronze Pipe to Hose Straight Fitting [PTH-1500]

Regular price $31.00
Sale price $31.00 Regular price $0.00
Unit price
1-1/2" NPT x 1-1/2" ID Bronze Pipe to Hose Straight FittingFeatures: Male NPT x Hose...
GROCO 1 NPT Stainless Steel InLine Ball Valve IBV1000S

GROCO 1" NPT Stainless Steel In-Line Ball Valve [IBV-1000-S]

Regular price $85.00
Sale price $85.00 Regular price $0.00
Unit price
1" NPT #316 Stainless Steel In-Line Ball ValveFeatures: 1-1/4" sizes and larger include a grease...
GROCO Backing Block f2 212 Seacocks BB3

GROCO Backing Block f/2" 2-1/2" Seacocks [BB-3]

Regular price $105.00
Sale price $105.00 Regular price $0.00
Unit price
Backing Block for 2" & 2-1/2" SeacocksFeatures: Each size fits multiple seacock sizes Press threaded...
GROCO 112 NPT x 134 ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting FFC1500

GROCO 1-1/2" NPT x 1-3/4" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-1500]

Regular price $79.00
Sale price $79.00 Regular price $0.00
Unit price
1-1/2" NPT x 1-3/4" ID Bronze Full Flow 90° Elbow Pipe to Hose FittingFeatures: 90...
GROCO 34 Bronze NPS to NPT Flange Adapter IBVF750

GROCO 3/4" Bronze NPS to NPT Flange Adapter [IBVF-750]

Regular price $64.00
Sale price $64.00 Regular price $0.00
Unit price
3/4" Bronze NPS to NPT Flange AdapterIBVF Flanged Adapters have been developed to address several...
GROCO 12 NPS NPT Combo Bronze ThruHull Fitting wNut TH500W

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

Regular price $21.00
Sale price $21.00 Regular price $0.00
Unit price
1/2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes...
GROCO 2 Bronze TriFlanged Ball ValveSeacock FBV2000
GROCO 2 Bronze TriFlanged Ball ValveSeacock FBV2000

GROCO 2" Bronze Tri-Flanged Ball Valve/Seacock [FBV-2000]

Regular price $330.00
Sale price $330.00 Regular price $0.00
Unit price
2" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for...
GROCO 1 NPS NPT Combo Bronze ThruHull Fitting wNut TH1000W

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

Regular price $33.00
Sale price $33.00 Regular price $0.00
Unit price
1" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes...
GROCO 2 NPT Stainless Steel InLine Ball Valve IBV2000S

GROCO 2" NPT Stainless Steel In-Line Ball Valve [IBV-2000-S]

Regular price $225.00
Sale price $225.00 Regular price $0.00
Unit price
2" NPT #316 Stainless Steel In-Line Ball ValveFeatures: 1-1/4" sizes and larger include a grease...
GROCO 1 Bronze Pipe Nipple Check Valve PNC1000

GROCO 1" Bronze Pipe Nipple Check Valve [PNC-1000]

Regular price $33.00
Sale price $33.00 Regular price $0.00
Unit price
1" Bronze Pipe Nipple Check ValveFeatures: C83600 cast bronze construction NPT threads 1/2" - 2"...
GROCO 34 Bronze Nipple Check Valve PNC750

GROCO 3/4" Bronze Nipple Check Valve [PNC-750]

Regular price $21.00
Sale price $21.00 Regular price $0.00
Unit price
3/4" Bronze Pipe Nipple Check ValveFeatures: C83600 cast bronze construction NPT threads 1/2" - 2"...
GROCO 114 NPS NPT Combo Stainless Steel ThruHull Fitting wNut TH1250WS

GROCO 1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1250-WS]

Regular price $67.00
Sale price $67.00 Regular price $0.00
Unit price
1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316...
GROCO 12 NPT x 12 ID Bronze Pipe to Hose Straight Fitting PTH500

GROCO 1/2" NPT x 1/2" ID Bronze Pipe to Hose Straight Fitting [PTH-500]

Regular price $8.00
Sale price $8.00 Regular price $0.00
Unit price
1/2" NPT x 1/2" ID Bronze Pipe to Hose Straight FittingFeatures: Male NPT x Hose...
GROCO 34 NPS NPT Combo Bronze ThruHull Fitting wNut TH750W

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

Regular price $23.00
Sale price $23.00 Regular price $0.00
Unit price
3/4" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes...
GROCO 12 NPT x 34 ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting FFC500

GROCO 1/2" NPT x 3/4" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-500]

Regular price $19.00
Sale price $19.00 Regular price $0.00
Unit price
1/2" NPT x 3/4" ID Bronze Full Flow 90° Elbow Pipe to Hose FittingFeatures: 90...
GROCO 114 NPS NPT Combo Bronze ThruHull Fitting wNut TH1250W

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

Regular price $55.00
Sale price $55.00 Regular price $0.00
Unit price
1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread C83600 Bronze Sizes...
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