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This wall heater had its temperature switch replaced after the original part stopped regulating the unit correctly. The temperature switch is a safety and control component that helps the heater cycle on and off at the right point, so fitting a new one restored proper, reliable operation of the heater.
Replacing a temperature switch on a wall heater is not complicated, but it does follow a careful, step-by-step process to keep the work safe and the unit functioning as it should. Each step matters, since the switch ties directly into both the heater’s controls and its wiring.
How the temperature switch was replaced
- Power turned off: the electrical supply to the heater was switched off before any work began.
- Heater cover removed: the outer cover was taken off to gain access to the internal components.
- Temperature switch located: the faulty switch was identified within the unit.
- Wires disconnected: the wiring connected to the switch was carefully detached and noted for correct reassembly.
- Old switch removed: the failed temperature switch was taken out of the heater.
- New switch installed: the replacement switch was fitted in place and the wiring reconnected.
- Power restored: the supply was turned back on and the heater checked for correct operation.
With the new temperature switch installed, the wall heater regulates properly again and runs the way it should, cycling correctly instead of overheating or failing to hold temperature. Every Nur HVAC repair finishes with a check of the unit so the customer knows it is working safely before our technician leaves.



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