Reply To: TP Valve Working, But Why?

The Tank TP Valve Working, But Why? Reply To: TP Valve Working, But Why?

#23071
LazyDevil
Participant

Another problem fixed with information from Randy, Larry, and David. Great job guys! Bonnie was wondering about why this started “out-of-the-blue”, and she may have given a clue to an answer. She said a toilet was replaced and a toilet valve was replaced. As some may know, Watts made a toilet fill valve that had a pressure relief valve built in. If the house’s pressure rises above a set value, the valve opened to lower the pressure, dumping the water down the overflow tube. It was their “Governor” model. Perhaps one, or both, of the effected toilets had that fill valve, and pressure regulation was lost after the change, allowing the build-up to 140 psi. Just an idea. Congrats to Bonnie for doing her research and investing in the pressure gauge. Chuck

Water Heater Rescue

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