How To Turn Off Hot Water Heater. Here's where to find the reset switch(es) on your You turn on the hot water faucet, wait for the water to heat up, and after almost a minute, it's still running cold. Whether you are turning your hot water heater on or off or resetting its pilot light, there are a few simple steps Next, turn on the tank's cold water supply and let it refill.
How do you turn off a hot water heater? Just turn the dial counterclockwise and stop at that spot. Turn tap off, and sudden stop of moving water causes pipes to shake, and bang into boards and drywall inside wall.
Off is when the handle is cross-wise to the supply piping.
Next, turn the cold water supply valve off that allows water to flow into the heater.
Turn tap off, and sudden stop of moving water causes pipes to shake, and bang into boards and drywall inside wall. Failure to follow the proper steps may result in damage to the internal elements of the water tank. Hot water heaters come in two varieties: gas and electric.