Water heater drain valves are usually screwed in tight enough ... You could break the valve, and if the tank is full of hot ...

To be on the safe side, give the water in the switched-off heater ample time to cool down (allot several hours) before opening the drain valve. Note that taking a long, hot shower proves an ...

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. The report said the ...