For field replacements

The Lennox 40L87 Relay is a specialized 24V SPDT switching relay engineered for heavy-duty HVAC sequencing and control applications

this relay utilizes calibrated pick-up and drop-out settings—specifically a 320V to 340V pick-up and a 60V to 121V drop-out—to accurately manage the transition between start and run windings

000 BTU/hr steam discharge capacity and a standard 150 psi pressure relief setpoint

including resistive

Lennox 59W49 Display Rep Kit 320819-301 For field replacementsThe Lennox 59W49 Display Rep Kit (also designated as part number 102633 01 or the DB1 1 M2 Energence Display Kit) is a critical interface component for field technicians servicing Lennox Energence M2 Series commercial rooftop units. This kit provides the necessary hardware to restore full diagnostic and programming capabilities to the units M2 Unit Controller. In the field, a failing display hampers a contractor's ability to view real time system