high suction superheat

verify the gas valve model number and serial plate before beginning the conversion

The unit must be fully seated into the crankcase well to ensure the 4

Versatile Application: Standardized design fits a wide range of York

this factory authorized part ensures a seamless electrical interface without the impedance issues common in aftermarket alternatives

McDonnell & Miller AF-2 Switch Els PW 29614 high suction superheatThe McDonnell & Miller AF 2 Air Flow Switch (Part Number 123200) is a specialized low velocity air flow switch engineered to prove fan operation and monitor airflow in critical HVACR systems. Built for durability, this field proven unit features brass, steel, and aluminum construction, making it ideal for standard commercial and industrial duct environments. The integrated snap acting SPDT switch provides reliable signaling for interlocking blowers,