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Thru-Hull Installation Tool Thru Hull Installation ToolThe Concept:THT-530 makes the installation of standard GROCO thru-hull fittings possible by...

1-1/2" NPT Bronze 45 Degree Pipe to 1-1/2" Hose Features: 45 degree Male NPT x Hose connection C83600 Bronze Standard Flow UL Listed 647B Note- C8...

3/4" NPT Bronze Inline Fuel ValveFeatures: Selectable handle rotation Full flow Mount foot included C83600 bronze construction Stainless steel han...

SWEETANK Odor Neutralization System - 115VACTHE CONCEPTThe SWEETTANK concept has been developed to stop odors in yacht and RV holding tanks withou...

BP-3 Poly Basket - 2.6" x 7.3"Replacement Poly Baskets are made of corrosion-resistant polyethylene and have an improved handle design for easier ...

BS-6 Stainless Steel Basket - 3.1" x 10.1"GROCO's 304 Stainless Steel filter baskets for the raw water strainers. The baskets have an improved han...

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.Featu...

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 / N...

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...

ARG-1003 Sight Glass Fits ARG-1000Sight glass fits the ARG-1000.

2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features: Extra long NPSM / NPT combination thread #316 Stainless Steel Specifications: Hos...

Bronze Round Hull Strainer with Access Door for Up To 2" Thru-Hull Features: Patented access door design allows easy access to Thru Hulls. C84400 ...

1" NPT #316 Stainless Steel In-Line Ball ValveFeatures: 1-1/4" sizes and larger include a grease zerk fitting for lubrication (use only with the v...

ARG-1250 Series 1-1/4" Raw Water Strainer with Non-Metallic Plastic BasketFeatures: Mounting System Allows Removal Without Tools Bonding Connectio...

3/4" NPT x 3/4" ID Stainless Steel Pipe to Hose Straight Fitting Features: Male NPT x Hose connection #316 Stainless Steel Sizes from 1/2" to 3" S...

1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting with NutFeatures: NPSM / NPT combination thread #316 Stainless Steel Sizes from 1/2" to 3" ...

1-1/4" NPT x 1-1/4" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow ElbowFeatures: 90 degree Male NPT x Hose connection C83600 Bronze Sizes...

ARG-755 Series 3/4" Raw Water Strainer Stainless Steel BasketFeatures: Mounting System Allows Removal Without Tools Bonding Connection Both Sides ...

BP-6 Poly Basket - 3.1 x 10.1"Replacement Poly Baskets are made of corrosion-resistant polyethylene and have an improved handle design for easier ...

BS-11 Stainless Steel Basket - 3.1" x 15.4"GROCO's 304 Stainless Steel filter baskets for the raw water strainers. The baskets have an improved ha...

ARG-1503 Sight Glass Fits ARG-1500Sight glass fits the ARG-1500.

3/4" 90 Degree Hose Thru-Hull Fitting Features: 90 Degree Barb #316 Stainless Steel Thru Hull with Bronze Hose Connection UL Listed 647B Specific...

Non-Metallic Strainer Cap Fits ARG-500 & ARG-750Features: Non-Metallic Strainer Cap  Fits ARG-500 & ARG-750

Bronze Clam Shell Style Hull Strainer f/Up To 1" Thru Hull Features: C84400 bronze body and door. Cast filter slots. Pressure relief holes in door...

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 Avail...

Perforated Hull Strainer with Access Door 2" Max Thru-HullFeatures: Access door design allows easy access to Thru Hulls C84400 bronze body and doo...

3/4" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600...

Stainless Steel Replacement Screen f/APHS-3000 - Size 3 (.188") Perforation DiameterFeatures: Replacement Screen Stainless Steel Size 3 (.188") Pe...

2" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C83600 B...

1/2" NPT Bronze 3-Way Valve Features: 3-way valve operates logically - The handle points to the direction of flow Center position is "off"  Handle...

Bronze Pipe Nipple - 3/4" NPT Features: Cast-in wrench flat simplifies installation and removal NPT x NPT Connection C83600 Bronze   Full flow   N...

3/4" Ball Valve/Seacock & Raw Water Strainer ComboFeatures: Square hole in handle accepts standard ratchet 1-1/4" sizes and larger include one...

Backing Block for 2" & 2-1/2" SeacocksFeatures: Each size fits multiple seacock sizes Press threaded brass inserts into the hull side of the ...

1-1/2" Slotted Hi Speed Thru-Hull with NutFeatures: 1-1/2" NPSM / NPT combination thread C83600 Bronze With Nut Slotted Specifications: Hose Size...

1-1/4" Engine Flush Kit & AdaptorThe ConceptA simple quarter-turn quick-release plug can add safety and flexibility to any water system.  Add ...

Garboard Drain w/Plug The ConceptOnce your boat is in its cradle, sling, lift, or trailer, draining the bilge is easy with a garboard drain. All m...