Lennox 97W21 Pressure Switch 328140-751 or a capacitance reading outside

or a capacitance reading outside the +/- 5% tolerance when tested with a multimeter

Rugged Construction: Extruded aluminum blades and riveted corners provide superior durability in high-cycle environments

and Knight series units

Always verify the wiring diagram before energized testing

This 120V to 24V step-down transformer provides a consistent 50VA power rating

Lennox 97W21 Pressure Switch 328140-751 or a capacitance reading outsideThe Emerson 1F95 0680 Blue 6 Inch Touchscreen Thermostat is a heavy duty, universal programmable thermostat built for commercial HVACR applications. Engineered for maximum flexibility, this 4H 2C digital control integrates seamlessly with single stage, multi stage, and heat pump systems, including high performance dual fuel heat pump setups. Its 6 square inch blue backlit display provides clear visibility for technicians and facility managers,