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Product Details

Groco full flow seacocks with tri flange base and ball-type valve. Bronze body with chrome plated solid brass ball contacting PTFE seats and seals. Rugged marine construction features stainless steel stem, handle and hardware.

Field reversible handle allows you to select the closed position orientation (clockwise or counterclockwise) that best suits the installation. Tri-Flange base and mount bolt pattern provide easy retrofit when replacing most popular brands. Bottom connections are NPS (straight thread); top connections are NPT (tapered thread); full pipe-size flow. Drain plugs on both sides for convenient winterization.

Note, if installing on USCG inspected vessels, select the Groco BV or SBV Series ballvalves instead to meet serviceable while installed CFR requirements.

Reviews for Groco FBV Bronze Seacocks Tri-Flange Base

4 of 4 Reviews

February 14, 2016

Really well made seacock.
By Eric from Fairhaven, Mass.

Verified Purchase

I'm replacing all the seacocks on a Bristol 40, this one is for the head discharge. These are excellent seacocks, very well made, solid construction.

Bottom Line Yes, I would recommend to a friend

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June 2, 2011

Quality Part
By Sailor from Rockport, TX

I installed this seacock and thru hull in my sail boat with little problems. This is a great unit. Sturdy and solid. Much better thah the flimsy plastic units found on many production sailboats. And it's cheaper. I used a 3/4" plywood backing plate between the seacock and the hull with ss bolts imbedded in the plate for mounting the seacock. The thru hull fitting screws right into the seacock sandwiching the hull and backing plate together for a firm water tight installation. It should out last me.

Bottom Line Yes, I would recommend to a friend

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July 29, 2009

Very solidly built / excellent quality
By Maria's Michael from Whidbey Island, WA

I replaced a 36 year old thru-hull and gate valve set up with a Groco seacock and thru-hull. It is exactly what you would want in a seacock- solid, durable construction. If it installed itself it would be even better, but installation was a snap. I'd recommend taking the time to make a good backer plate. I fixed some brass nuts into a plywood disk with resin, then coated the whole disk to help prevent rot. On the advice of the boatyard, I Sikaflexed it in, rather than glassed it, as eventually the plate will need replacing (many years down the road). You get what you pay for with this product.

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November 5, 2008

the seacocks are great but not the hose.
By LeeDavis from bessemer Al.

all the seacocks I bought are great.The 2 inch hose I got aint what I ordered.--Very unhappy about that![...].I ordered a 2 inch ID shields Premium hose and got a cheap piece that is thin.

Bottom Line Yes, I would recommend to a friend

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