How to Replace Slant Fin Baseboard Aluminum Heaters

Slant fin aluminum baseboard heaters allow you to heat your home through the installation of individual heating baseboard units in each room without having to install a costly, central heating system. When a baseboard heater stops working, you will know because all other rooms will have heat except for the one with the broken heater. Before you go about replacing the heater, though, reset the electricity at the circuit breaker in your home just to ensure the circuit hasn't failed. If the individual heater still isn't working after you reset the breaker, and all other baseboard heaters are functioning, it's time to replace the individual baseboard heater that's not working.

Screwdriver
Flat bar

Instructions

- 1
  Turn off the power to the heater at the circuit breaker.
- 2
  Remove the screws from the brackets on the tops and sides of the slant fin baseboard heater.
- 3
  Pull the heater out from the wall. Use over time may cause the heater to stick to the wall. Use a flat bar to gently pry the heater from the wall.
- 4
  Locate the wire box on the back of the heater. Remove the screws on the back of the wire box and pull the cover off.
- 5
  Unscrew the wire nuts that connect the grounding wire and any additional wires of the heater to the wires in the wall.
- 6
  Place the new baseboard heater next to the wall.
- 7
  Remove the screws from the wire box on the new heater to expose the wires.
- 8
  Connect the grounding wire and any additional wires to the wires in the wall using the instructions provided by the heater manufacturer.
- 9
  Insert the wire nuts over the wire connections.
- 10
  Fasten the screws into the brackets of the new baseboard heater to secure it in place.
- 11
  Turn the power back on at the circuit breaker.

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