Forum Discussion
bmupton
May 28, 2013Explorer
aarond76 wrote:
For your water issue:
You have air in the system. Hot water tank was empty and full of air. When you turn the pump on the first thing that happens is the pump fills the hot water heater. In doing so you pressurize the air in tbe top of the hot water heater. Then when you open a cold water faucet the hot water back-flows out of the inlet side of the hot water heater and out the cold side of the faucet. You may have noticed the pump did not come on right away when you opened the faucet like it normally does. Once the pressure drops low enough in the hotwater heater the pump comes back on and fills the hot water heater back up again. Open the hot side of the faucet until all the air is out of the system and this problem will go away.
It could also be the bypass valves for winterizing being in the wrong position. Mine has more than two valves, and there's one that will allow the hot and cold water to mix.
I'd check those valves as well.
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