SUBURBAN RV SUBURBAN FURNACE LOW AIR FLOW SWITCH 233383 (FITS SEVERAL MODELS)|233383

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 P-40, P-40B, P-40S, SH-35, SH-35F Replacement for 233242, 230493, 232325 and 233070