hot water heater press/temp relief valves
Posted by tom mcf on January 20, 19100 at 16:17:31:
my pressure relief valve (prv) started dripping at a gradually increasing rate - water temperature seems normal (125f) and supply pressure seems unchanged (80psi) - i shut off supply, opened hot water faucet to relieve pressure, and replaced prv with new one. it started dripping in a few days. i had opened it a bit to let most air out while filling after installation. it also started dripping in a few days -i replaced it with 2nd new one- week or so later it pulsed water out vent line after strong water hammer from high flow tub faucet - it now drips at random w/o thermal or press bumps - any ideas?

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