How to Replace Hot Water Tank Pressure Relief Valve - T&P - YouTube
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Need hot water heater help!!) Can I replace a pressure relief valve that has a 3” extension with one that has a 2” extension? The old one is on the right : r/Plumbing
Incidents and Industry Events that have Influenced Changes in Relief System Design
Why the relief valve at the water heater is leaking, and what to do about it