ICM Controls ICM325A Pressure Control 30067439-890 This OEM Lennox replacement part
Baker’s notes & crumb story
Description
ICM Controls ICM325A Pressure Control 30067439 890 This OEM Lennox replacement part This OEM Lennox replacement part is a normally closed limit control that functions on a temperature dependent circuit: it is engineered to open when the internal cabinet or heat exchanger temperature reaches 180°F and automatically resets (closes) once the temperature drops to 150°F protecting critical bearings from premature wear