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The Rheem AP20403J is a temperature and pressure relief valve for water heater systems. This valve vents pressure at 150 PSI and is tested to withstand up to 300 PSI. It activates when temperatures exceed 210 degrees Fahrenheit, allowing for the safe entry of cold water.
This valve is crucial for maintaining safe water heater operation by managing excessive pressure and temperature.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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