this switch accurately validates airflow differentials across both low and high heat cycles

Smith 100167851 Connection Board is a critical interface component engineered for the SMART SYSTEM control architecture found in high-efficiency condensing boilers and water heaters

Durability: Built with high-temperature grade gaskets and seals to prevent flue gas leakage into the mechanical room

This part should only be installed by a qualified HVAC technician

Daikin-McQuay 023353600 Wheel 322027-701 this switch accurately validates airflowFor service technicians and mechanical contractors maintaining commercial air handling units, the Daikin McQuay 023353600 Aluminum Blower Wheel is a critical OEM replacement for ensuring precise airflow dynamics. This centrifugal blower wheel is constructed from high grade aluminum, offering a lightweight profile that reduces start up torque and minimizes wear on the blower motor. With an 8 inch diameter and 10 inch width, this wheel is specifically