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Old 11-06-2017, 02:28 AM   #12
Robert Foster
 
Join Date: Nov 2009
Location: Charlottesville, Va.
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Default Re: Fresh water drain valve

Just a thought...maybe the Temperature Pressure Relief Valve (TPRV) on your water heater has failed or is fouled with mineral deposits and that is why this secondary pressure relief at the drain valve is discharging.
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