Tip & How-To about Heating & Cooling
If steam or excessively hot water shoots out of faucets, or you hear boiling sounds inside the hot water heater, the appliance may not be shutting off at its set temperature.
The job of the temperature-pressure (TP) relief valve is to release excessive pressure from steam buildup, but this valve may have been improperly installed, or it may be faulty. Either way, this condition can be dangerous, both because hot water and steam can scald people and because the water heater could rupture.
Here’s what to do:
1) Turn down the water heater’s temperature.
2) Allow the water to cool.
3) Replace the water heater's pressure relief valve.
4) Turn the water heater's temperature back to normal and wait about an hour. If the problem occurs again, call a water heater repairperson.
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