Description
This replacement sail switch is engineered for use with a wide range of Hydro flame Atwood furnaces. It functions as a low air flow safety switch, ensuring that your furnace ignites only when proper airflow is detected—preventing overheating and damage to internal components.
Direct replacement for Dometic part number 31377.
Compatible Hydro flame / Atwood Furnace Models:
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7900 Series: 7912-II, 7916-II, 7920-II
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8500 Series: 8516-II/III/IV, 8520-II/III/IV, 8525-II/III/IV, 8531-II/III/IV, 8535-II/III/IV
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8900 Series: 8935-DC/AC I/II/III, 8940-DC/AC I/II/III
Key Features:
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High-quality direct replacement for reliable long-term performance
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Made in the USA to meet or exceed OEM standards
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Engineered for durability, ensuring safety and efficiency
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Simple installation—no special tools required
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Limited 1-Year Warranty
Whether you're maintaining or repairing your furnace system, this switch offers a cost-effective and dependable solution.
Fast shipping across Canada and the U.S.