Water heater drain valves are usually screwed in tight enough ... As a precaution, you should turn off the gas or electricity ...

your heater contains scalding water under pressure, which can spray from the pressure-relief valve. Gas water heaters also rely on flammable natural gas that can leak from valves or pipes and ...

Uniform Energy Factor refers to a water heater's efficiency when run under simulated heavy use conditions for a 24-hour period. Gas Tanked is part of the Water Heaters test program at Consumer ...