How to Replace a Wall Heater

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Things You'll Need

  • Replacement wall heater

  • Screwdrivers

  • Multimeter

  • Long-nose pliers

  • Adjustable pliers

  • Measuring tape

There are various types of heating units used in homes today. The wall heater is a supplemental heating unit. It is used to heat a small area and is usually installed in the bathroom, laundry room or bedroom. A wall heater is mounted into the wall or on the surface of the wall and uses a fan to distribute warm air throughout the room. The air is warmed by a row of heating elements within the wall heater. These elements and the fan are controlled by a thermostat so as to maintain a preset temperature within the room.


Step 1

Measure the dimensions of your current heater. Use these dimensions to purchase the replacement heater. Similar dimensions will reduce the amount of work needed to replace the old wall heater, especially if your heater is mounted in the wall as opposed to on the surface of the wall.

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Step 2

Unplug the heater and let it cool completely. Unscrew the fastening screws that hold the wall heater to the back plate. Gently remove the wall heater from its mount and set it aside.

Step 3

Read the user's manual of the replacement heater to ensure that any special requirements are met. Connect the heater to the back plate by mounting it on the back plate and fastening the screws that came with the heater.

Step 4

Plug the heater in and turn it on to test if it is working.


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