designed for immediate installation using the existing mounting points in the burner vestibule

and FMD-3 hopper access panels

Common Questions What is the pressure range for the Sensus black spring 071-03406-002

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

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

White-Rodgers 3L09-22 Limit Switch designed for immediate installation usingFor 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