Forum Discussion
Old-Biscuit
Jun 20, 2016Explorer III
Suburban uses a 3/4" NPT T&P Relief Vlave
Some water heaters have check valve in cold inlet AND hot outlet
Some have cold inlet
Some have hot outlet
Some NONE
80%......yours has one in HOT outlet
Some water heaters have check valve in cold inlet AND hot outlet
Some have cold inlet
Some have hot outlet
Some NONE
80%......yours has one in HOT outlet
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