Lennox 23M22 Defrost Control Els PW 17895 Using it with incompatible refrigerants

Using it with incompatible refrigerants may lead to inaccurate superheat settings and potential system failure

as long as the 80 MFD capacitance rating is an exact match

exceeding the rated burst pressure of the diaphragm can lead to calibration drift or component failure

the unit is housed in a robust Nema 4X enclosure

the reset button must be manually pressed and released only after the temperature returns to a safe range

Lennox 23M22 Defrost Control Els PW 17895 Using it with incompatible refrigerantsThe Lennox 23M22 Defrost Control is a critical OEM replacement part designed to regulate the defrost cycles of Lennox and Allied refrigeration and heat pump systems. Engineered for high demand commercial and residential applications, the 23M22 serves as the direct successor to legacy boards 18M23 and 18M2301. This solid state control board effectively monitors outdoor coil temperatures via thermistors to prevent excessive ice buildup, shifting the