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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...

BS-25 Stainless Steel Basket for BVS-1500This is a direct replacement basket for the BVS series strainer. The redesign fixes a few design issues c...

3" Full Flow Ball ValveThis GROCO flanged ball valve is designed for controlling the flow and pressure of fluids in a pipeline system.Features: 1-...

BS-23 Stainless Steel Basket for SS-1000 & BVS-100This is a direct replacement basket for the BVS series strainer. The redesign fixes a few de...

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...

ARG-750 Series 3/4" Raw Water Strainer with Monel BasketFeatures: Mounting System Allows Removal Without Tools Bonding Connection Both Sides O-Rin...

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

1-1/4" Safety Seacock w/1" Side Port Features: Two driver ports permit handle relocation. NPT threaded side port accepts SSCV or any NPT threaded ...

Drain Plug for ARG Strainer 2009 & Newer - No O-RingDrain plug W/O O-ring for ARG Strainer. For Strainers older than 2008 use ARG-506.

3/4" Fresh Water Strainer with Plastic Basket Features: Protect fresh water pumps from debris.   White nylon strainer head and clear plastic sight...

1" Bronze In-Line Check ValveFeatures: C83600 cast bronze construction NPT threaded ports 1/2" - 2" sizes Suitable for use with diesel fuel or gas...

PWSA-751 Poly Basket Fits WSA-500,  WSB-500 & WSB-750Features: Poly Basket Fits WSA-500,  WSB-500 & WSB-750

BP-8 Poly Basket - 3.1 x 12.4"Replacement Poly Baskets are made of corrosion-resistant polyethylene and have an improved handle design for easier ...

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

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...

BS-8 Stainless Steel Basket - 3.1" x 12.4"GROCO's 304 Stainless Steel filter baskets for the raw water strainers. The baskets have an improved han...

ARG-750 Series 3/4" Raw Water Strainer with Stainless Steel BasketFeatures: Mounting System Allows Removal Without Tools Bonding Connection Both S...

BS-24 Stainless Steel Basket for SS-1250 & BVS-1250This is a direct replacement basket for the BVS series strainer. The redesign fixes a few d...

1-1/4" Bronze Combo Scoop Thru-Hull w/Nut Features: Designed for increased flow compared to standard Thru Hulls NPSM / NPT combination thread C836...

3/4" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the val...

1" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve...

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...

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...