If a pressure relief valve for a boiler is accidentally installed on a water heater, it will leak like crazy from the start. These valves may look identical, but they're set to go off at 30 psi ...

No. Tankless (on-demand) water heaters have no tank, so they don't need a TPR valve to release pressure. They don't have a ...

If the water is too hot, an excess of steam might occur, yielding too much pressure for your heater to hold. This could create cracks or holes in the water tank from which water will leak.

Q: We just bought a new-build home and had it professionally inspected, just to play it safe. One problem in the home inspector's report involves the water heater relief valve.

Purchased a Rheem Gas Water Heater on 04/10/2025. First issue occurred 3 days after purchase and was pleased with the quick response in replacing a temperature & pressure relief valve.

In extreme scenarios, a neglected water heater may start leaking or flooding into your home, or—if the pressure-relief valve has been blocked by sediment—even explode.

By Tim Greer. Tankless water heater technology has been labeled with many misconceptions over the years. One myth that often comes up when installing a tankless water heater is the need to upgrade ...

Signs of a Leaking Drain Valve. Water on the floor at the water heater’s base is a sure sign of a leak. The water might be ...