The thermostat will stop working if it needs ... Sometimes, Repairs Or A Furnace Replacement May Be Necessary There is often a simple explanation or a quick fix for why a furnace isn't turning ...

A control board receives signals from the thermostat and translates them into the furnace's heating cycle. Moisture can ruin a furnace's control board, making replacement necessary. Replacing a ...

While it may be tempting to adjust the “anticipator” to take care of the problem or even replace the bimetallic thermostat with ... temperature and control the furnace in on-off mode.