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 ...

The type of water heater you have will determine which ... Once you're done with the smell test, you can turn the gas valve back on. Set the thermostat to your desired setting.

This can be prevented by setting the water heater to a temperature where the bacteria Legionella cannot thrive. The Occupational Safety & Health Administration (OSHA) recommends water heaters be set ...