Why does the thermostat make a buzzing noise?
2020-4-23 · Answer SolutionDescribes the answer or the required steps that resolve the issue. If a thermostat makes a buzzing or fizzing noise when switching this is normally as a result of the switch contacts in the thermostat becoming dirty. The noise is the contacts arcing as they close. Why is another question. Typically this will happen if the load ...
Get Price