Aug 28, 2016 #1 AN andyg-TC Senior Member Joined May 26, 2011 Messages 120 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?
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?
