What Is a Water Heater Disconnect Switch?


Quick Answer

A water heater disconnect switch is a device used to shut off an electric water heater. This switch is important especially in case of an emergency and during heater maintenance and heater repair.

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Full Answer

The water heater disconnect switch can be installed at the circuit breaker box, and it should be clearly marked "water heater," "hot water tank" or "hot water heater." Due to its complex nature, the installation of this switch should be done by a qualified electrician to prevent the occurrence of any post-installation problems. Before installation, the switch should be rated to ensure that it suits the water heater voltage. This helps avoid overload.

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