2-Pack 36680 Sail Switch Replacement, Low Air Flow Sail Switch Compatible with Atwood HydroFlame RV Furnace – Replaces 36133, 31377, 35050, 35052,($13.99Value)

Description

Direct Replacement for Atwood / HydroFlame Furnaces – This sail switch replaces OEM part numbers 36680, 36133 (old SKU 36680), 31377, 35050, 35052, 35054, 35137, and 37716. Compatible with single-stage and two-stage furnace models for a precise, drop-in fit. Compatible Furnace Models – Fits Atwood/HydroFlame models including 1522 2 STAGE, 1522 LD 2 STAGE, 2334 2 Stage, 2540 2 Stage, 7912-II, 7916-II, 7920-II, 8516-II, 8516-III, 8516-IV, 8520-II, 8520-III, 8520-IV, 8525-II, 8525-III, 8525-IV, 8531-II, 8531-III, 8531-IV, 8535-II, 8535-III, 8535-IV, 8900-III, 8900-I Series, 8900-II Series, XT-1522, 8935-DC-I, 8935-AC-I, 8940-DC-I, 8940-AC-I, 8935-DC-II, 8935-AC-II, 8940-DC-II, 8940-AC-II, 8935-DC-III, 8935-AC-III, 8940-DC-III, and 8940-AC-III. Durable Construction – Plastic housing with steel sail blades and tinned copper wire internals resists corrosion and performance degradation, ensuring reliable long-term operation in RV furnace environments. Diagnostic Indicator – If your RV furnace blower fan runs but the burner fails to ignite and the system shuts down, a faulty sail switch is a common cause. This replacement restores proper airflow detection and furnace operation. Package Contents & Support – Includes 2 sail switches. Not sure about fitment? Contact us via email or Q&A before ordering, and we will confirm compatibility for your specific model. DIRECT REPLACEMENT SAIL SWITCH (2-PACK): This 36680 sail switch is designed as a direct replacement for low air flow safety switches in Atwood and HydroFlame RV furnaces. Includes 2 switches per pack. REPLACEMENT PART NUMBERS: Replaces the following Atwood part numbers: 36680, 31377, 35050, 35052, 35054, 35137, 36133, 37716 COMPATIBLE FURNACE MODELS: Compatible with the following Atwood/HydroFlame furnace models: 1522 Series: 1522 2 STAGE, 1522 LD 2 STAGE 2334 Series: 2334 2 Stage 2540 Series: 2540 2 Stage 7900 Series: 7912-II, 7916-II, 7920-II 8500 Series: 8516-II, 8516-III, 8516-IV, 8520-II, 8520-III, 8520-IV, 8525-II, 8525-III, 8525-IV, 8531-II, 8531-III, 8531-IV, 8535-II, 8535-III, 8535-IV 8900 Series: 8900-III, 8900-I Series, 8900-II Series 8900-DC/AC Series: 8935-DC-I, 8935-AC-I, 8940-DC-I, 8940-AC-I, 8935-DC-II, 8935-AC-II, 8940-DC-II, 8940-AC-II, 8935-DC-III, 8935-AC-III, 8940-DC-III, 8940-AC-III XT Series: XT-1522 FUNCTIONAL OPERATION: The sail switch is the first safety switch in the forced-air furnace system. It prevents the burner from igniting if the blower fan is not operating at sufficient speed. Common symptom: furnace fan turns on but burner does not ignite, followed by system shutdown. MATERIAL SPECIFICATION: Constructed with a plastic housing, steel sail blade, and tinned copper internal wiring. Materials are selected for corrosion resistance and durability under furnace operating conditions. INSTALLATION NOTE: Please confirm compatibility with your furnace model before ordering. Contact us if you are unsure whether this switch fits your specific model.