The 370/440V dual voltage rating offers the versatility needed for various field applications

which corresponds to a 2" nominal pipe size in standard plumbing applications

While it shares specifications with some universal 1-pole 40-amp contactors

this direct vent wall furnace repair part ensures that the fuel-to-air ratio remains stabilized

and FMD-3 hopper access panels

White-Rodgers 3L09-22 Limit Switch The 370/440V dual voltage ratingFor service technicians requiring a field ready solution for furnace high limit protection, the White Rodgers 3L09 22 Limit Switch delivers industrial grade thermal regulation. Engineered as a 1 2" bimetal disc limit switch, this component provides critical safety by monitoring internal plenum temperatures. The 3L09 22 limit control is calibrated for a 160F fixed open temperature and a 140F fixed close temperature, ensuring precise open on rise switch