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andyg · 08-28-2016, 03:01 PM

There is a little bit a back flow from the water heater into the supply side. I, momentarily, get hot water out of the cold water faucet. Is there any reason that I should not install a check valve on the supply side of the water heater?

08-28-2016, 03:01 PM	#1
andyg Senior Member Join Date: May 2011 Posts: 120	Water heater check valve There is a little bit a back flow from the water heater into the supply side. I, momentarily, get hot water out of the cold water faucet. Is there any reason that I should not install a check valve on the supply side of the water heater? __________________ AndyG 1989 FLD120 with 2000 NRC conversion