How To Replace A Fan Limit Switch. In this HVACR Troubleshooting Video I go over how the Fan Limit Control Switch Works on a Gas or Oil Furnace What temperature to set the 3 Temp Adjustments. If it gets stuck in the open position the blower wont come on and the furnace will quickly.
Two of the wires are low. In this episode of Repair and Replace Vance shows how to replace the high limit switch in a gas furnace. In many models it also has a built-in safety control for the burner to shut off at higher temperatures if the.
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In this episode of Repair and Replace Vance shows how to replace the high limit switch in a gas furnace. Between the arms there is a component controlling the furnaces fan. Two of the wires are low. The limit switch has two arms one controls the furnaces low temperatures and the other controls the high temperatures.
