Water heater questions....
My water heater has 3 valves on it. One on the red line at top = it's open One in the middle = bypass valve closed One on the blue line at bottom = closed Should the bottom blue line valve be o...
Forum Discussion
campermama wrote:GrandpaKip wrote:
Instead of messing with the pressure relief valve, why not just open a faucet on the hot side? It’ll do the same thing.
Something definitely screwy with the valve.
I did open faucets first, but when I released the pressure valve water still came out.
That is due to 'loss of air pocket'
Water level should be just at the tank opening where T&P Relief Vlave screws in......temp probe goes down into the water
Air pocket is above T&P opening to top of tank.
Air can be compressed and control pressure increases when heating water.
Water SWELLS when heated so w/o air pocket pressure would increase
