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
Things you need
- Bucket or container
Turn off the immersion heater and unplug from the power supply.
Open the drain valve on the bottom of the immersion heater and open the hot water tap at a nearby sink.
Wait for the immersion heater to drain completely.
Close the drain valve and allow the tank to fill completely with water when maintenance, replacement or troubleshooting is complete.
Restore power to the immersion heater.
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