Atwood┬á31377 Hydro Flame Low Air Flow Sail Switch. See below for additonal product information.
The Atwood 31377 Hydro Flame Low Air Flow Sail Switch is an OEM replacement part for Hydro Flame and Excalibur model dometic furnaces. This sail switch acts as a safety device, making sure there is no propane flow without air flow. This part is a direct replacement for Atwood part # 36680.
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