Sub Zero 611/F2
Posted 17 May 2011 - 09:43 PM
Posted 11 June 2011 - 10:50 PM
The cause of the built up I believe was high water pressure causing the valve to dribble.
The cause of high water pressure was from the expansion of the water in the hot water tank as it heated back to temp.(the hot water tank relief valve also dribbled occasionally)
This was in turn caused by the recent installation of a new water meter on my supply line with back flow valve giving the expanding water no place to go.
My fix also included a temporary relief valve to limit pressure to max 90 psi.
Posted 11 June 2011 - 11:12 PM
then you'd need an Expansion Tank on the Water Heater (usually) cold inlet line
... caused by the recent installation of a new water meter on my supply line with back flow valve giving the expanding water no place to go.
Shouldn't install a Back-flow Valve without one.
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