helping technicians differentiate it from lower-rated switches during field service

the unit is calibrated for an operating temperature range of 105°F to 185°F

The Lennox 73W76 is a critical safety component designed for precise HVAC pressure sensing in residential gas furnaces and air handlers

ensuring long-term reliability in burner compartments

York S1-2940A3541 Transformer Els PW 17895 helping technicians differentiate it fromThe York S1 2940A3541 Transformer is a critical component for maintaining consistent 24V control voltage across residential and light commercial HVAC systems. This 120V primary 24V secondary step down transformer is engineered to handle a 40VA power rating, providing sufficient overhead for contactors, boards, and thermostats within the control circuit. As a direct OEM York furnace transformer replacement, it ensures the internal impedance and thermal