MC Enterprises | Atwood Furnance Sail Switch | 31377MC | Low Air Flow | Dometic

Keep your RV furnace running efficiently with the Atwood Furnace Sail Switch from MC Enterprises. Designed as a direct replacement for the Dometic 31377 sail switch, this critical safety component ensures proper airflow for smooth and reliable ignition. MC Enterprises specializes in high-quality, after-warranty parts for RV appliances, delivering products that meet rigorous federal and state regulations.

• Reliable Safety Component: Ensures proper air and gas mixture by detecting 75% of motor RPMs before ignition.
• Perfect OEM Replacement: Compatible with select Atwood Everest and Excalibur furnaces.
• Durable Design: Engineered for performance and longevity in demanding RV conditions.
• Easy Installation: Compact dimensions (5 x 4 x 1 inches) make replacement simple.
• Proudly Made in the USA: Quality craftsmanship backed by a limited 1-year warranty.
• Wide Compatibility: Replaces Dometic part number 31377 with a precise fit.

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, 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