Lennox 97W21 Pressure Switch 321894-706 This exact-fit replacement ensures proper

This exact-fit replacement ensures proper fuel-to-air combustion and optimal airflow across the three-section pass design

Utilizing a chrome-plated brass ball and a robust brass stem

For veteran contractors managing terminal unit maintenance or new installs

along with the necessary closing springs and O-rings to facilitate a complete internal overhaul

known technically as the AK2-XM 240B or AK-XM 204B

Lennox 97W21 Pressure Switch 321894-706 This exact-fit replacement ensures properThe 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,