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McGarry and Madsen's home inspection blog for buyers of
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Frequently Asked Questions (FAQ) about Temperature and Pressure Relief Valves
Sunday, November 14, 2021
It’s been called a “water heater pop-off valve,” “overflow valve,” “TPR valve,” or “T&P valve.” Use whatever nickname you like, but the important thing to remember is that the temperature and pressure relief valve is a critical safety device that keeps the water heater from exploding like a bomb and then shooting through the roof if its thermostat fails. Here’s a collection of our articles about the gadget which prevents that from happening:
• Can a Temperature and Pressure Relief (TPR or T&P) valve be mounted to discharge horizontally?
• Does a tankless water heater require a pressure relief valve?
• What does it mean when a water heater Temperature/Pressure Relief (TPR) discharge pipe is "trapped"?
• What are the most common installation mistakes with water heater replacement?
• What's the valve with the flip-up handle on the water heater for?
• Can a water heater Temperature/Pressure Relief (TPR or T&P) valve to mounted to discharge upward?
• Can you use PVC pipe for the water heater temperature pressure relief (TPR) discharge pipe?
• What is the small pipe on the side of the house that is dripping water?
• Can a water heater and air conditioner use the same drain?
• Can you use PEX as discharge pipe at water heater temperature and pressure relief (TPR) valve?
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