SUBURBAN RV SUBURBAN FURNACE LOW AIR FLOW SWITCH 233355 (NT-40) 232279|233355

This is a replacement sail switch for select Suburban furnaces. The sail switch is an air proving device. It is a safety component that will not let ignition occur until it sees 75% of the motor’s rpm’s. It ensures that the combustion wheel is rotating fa Compatible with NT-40 Power Rating 0.1A, 125-250V AC, 0.5A, 30V DC. Makes your furnace operate more efficiently and more safely.