Re: Water heater pressure relief valve
Posted by jimbo on July 11, 2004 at 21:17:20:
In response to Re: Water heater pressure relief valve
The relief valve is designed to open EITHER at pressure = 150PSI OR temperature exceeds 212degree. So, 150 degree is safe for the heater, but is VERY dangerous for people. A more normal heat for the house would be about 125 degree. Most good dishwashers have a preheat feature so it is not necessary to keep your whole WH at a higher temp.


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