How to turn off a hot-water heater

Written by kenneth crawford
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How to turn off a hot-water heater
Turning off the hot-water heater involves shutting off power and water supplies. (Jupiterimages/liquidlibrary/Getty Images)

If you need to repair your hot-water system or are going on vacation, it is necessary to turn off the hot-water heater. Turning off the heater when you are on vacation helps reduce your energy costs and also reduces the possibility of a malfunction while you are away. Turning off the system depends upon the type of power your hot-water heater uses.

Skill level:
Moderately Easy

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Instructions

  1. 1

    Go the electrical panel box in your home if you have an electric hot-water heater. Open the door and locate the circuit breaker for your hot-water heater; there is usually a schematic of the circuits on the inside of the door. Push the circuit breaker for the water heater to the "Off" position.

  2. 2

    Turn the thermostat dial to the "Off" position if you have a gas hot-water heater. The thermostat is on the gas valve near the bottom of the hot-water heater tank.

  3. 3

    Find the main valve on the house gas line near the hot-water heater; the valve is either a lever handle or a knob. Move the lever handle perpendicular to the gas line if you have a lever handle. Turn the valve clockwise to shut off the gas supply if you have a knob valve.

  4. 4

    Rotate the water-supply valve clockwise to shut off the water supply to the tank. The shut-off valve is on the plumbing pipe above the hot-water heater tank.

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