What is the function of the sail switch on a furnace?
Dometic Sail Switch For Atwood HydroFlame AF/Dometic DF Furnaces
RV Furnaces Heaters
Question ID: 4865581 Status:
Open Mar 12, 2024 - 07:08 AM
1answer
Answer
Mar 14, 2024 - 07:55 AM
The Dometic Sail Switch for Atwood HydroFlame AF/Dometic DF Furnaces is designed to prevent furnace ignition unless it detects 75% motor RPM. It ensures the blower motor’s fan is moving air at the right speed. If the switch doesn't sense the correct speed, the furnace won’t ignite.
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