How to Drain an Immersion Heater

Written by meredith jameson
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Immersion heaters are typically placed inside a container, appliance or tank in order to heat a liquid inside the vessel. Immersion heaters are typically available in a variety of different styles and can be made from different metals, such as copper, iron, titanium or stainless steel, and many contain built-in thermostat controls. Draining an immersion heater may be necessary to clean the heater or to perform basic troubleshooting or maintenance.

Skill level:
Moderately Easy

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Things you need

  • Bucket or container

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Instructions

  1. 1

    Turn off the immersion heater and unplug from the power supply.

  2. 2

    Open the drain valve on the bottom of the immersion heater and open the hot water tap at a nearby sink.

  3. 3

    Wait for the immersion heater to drain completely.

  4. 4

    Close the drain valve and allow the tank to fill completely with water when maintenance, replacement or troubleshooting is complete.

  5. 5

    Restore power to the immersion heater.

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