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tcro58 12-28-2010 06:01 PM

Outside plumbing leak
Dear All,
We own an 11 year old house with a main water inlet having an inline sill cock/spigot.
We've been having relatively cold temps here central Florida and had the tap slightly running.
Tonight we now have a significant leak coming from an unknown part of this rig.
Could someone please kindly identify the part shown leaking in the posted photos at
Welcome any advice on how to fix or replace myself.
Thanks much,
Tony C

broox 12-28-2010 06:23 PM

That looks like a pressure reducing valve. It looks like it has frozen and busted. You will need to replace it. It looks like it has a union on the end towards the ball valve. Unscrew that nut, then you can unscrew the PRV from the pipe. Then you will have to unscrew the other half of the union from the other end of the pipe.

braindead 12-28-2010 06:29 PM

Thats a PRV on your main water line. To take it off should not be hard, you have a union near the valve, shut the water off, use two wrenches, one counter opposed to the other and loosen up the union, your upper joint has no union, it will be a little bit harder to unscrew, use your two wrenches and unscrew it (DO NOT TWIST THE COPPER AT THE TOP), take the valve to a plumbing house and try to match it, if you can it should screw back on the way you took it of.

When you get done you have to set the valve to your incomming water pressure. :yes:

VIPlumber 12-28-2010 09:07 PM

Exactly what broox & braindead said.:thumbup:

handy man88 12-28-2010 10:07 PM

After you shut off your water main, you may want to let the PRV continue to drain until all the water has been evacuated from your pipes. I didn't note a bleed plug on the PRV itself. Otherwise, once you start loosening the fittings above and below the PRV, you will get a lot of water dumping out. It looks like the nose of the PRV can be loosened/removed also to help in draining the pipes if you desire.

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