HEKUTU 36680 Sail Switch Set – RV Furnace Low Air Flow

Keep your Atwood HydroFlame furnace running smoothly with this HEKUTU 2-Pack 36680 Replacement Sail Switch Set, designed to restore proper airflow monitoring in compatible RV and camper heating systems. These switches serve as critical safety components, detecting adequate airflow before allowing furnace operation—preventing frustrating shutdowns where the unit ignites but immediately cuts off due to insufficient airflow detection.

Fully compatible with Atwood HydroFlame models 8531-II, 8531-III, 8531-IV, 8535-II, 8535-III, and 8535-IV, this set replaces part numbers 36680, 36133, 35050, 35052, 35054, 35137, and 37716, ensuring seamless installation and reliable performance. The dual-pack design provides both immediate replacements and a backup spare, reducing future downtime during RV trips or seasonal use. Whether addressing common ignition sequence failures or maintaining long-term furnace efficiency, this upgrade helps restore consistent heat output in your recreational vehicle.