73 WC pressure switch typically located in an HVAC unit

Precision Engineering: Restores factory-spec MOPD (Maximum Operating Pressure Differential) to your solenoid valve assembly

It is best suited for systems with low pressure drop through the evaporator

Does this kit include a low-pressure switch

Lennox 21620 Wheel Els PW 17895 73 WC pressure switch typicallyFor field technicians and mechanical contractors tasked with restoring airflow in Lennox residential or light commercial units, the Lennox 21620 Blower Wheel is the direct OEM solution for maintaining static pressure and system efficiency. This blower wheel features a 10 13 16 inch diameter and a 6 1 16 inch width, engineered specifically for clockwise (CW) rotation applications. Constructed from high grade galvanized steel, it is designed to