Flanged seacock installation is improved with the use of a backing block between the valve flange and the hull
Each size fits multiple seacock sizes
Press threaded inserts into the hull side of the backing block into the holes that match the seacock flange
1/2" thickness is rigid enough for a secure installation but flexible enough to conform to minor hull curvature
Will not swell or absorb moisture
Product Details
5/16"-18 Backing Block for 3/4" & 1" Flangeds Seacock by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an affordable cost.
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5 of 5
Perfect 2 Way
Well I guess it's officially a three-way but my use was fuel in at the bottom and out the top 2 ways to separate fuel filters so if under way in my boat and 1 filter clogged I could switch to the other. I actually used two valves 1 for fuel in to filter another out from filter, so I can change fuel filter without the other filter back feeding the other filter creating a mess. Great valves.