Lochinvar & A.O. Smith 100166244 Pressure Switch 30067439-890 What causes an Aaon R70240

What causes an Aaon R70240 to trip repeatedly

this connector simplifies the rough-in process and subsequent instrument mounting

This 1-groove fixed sheave features a precise 1-inch bore and is built to maintain consistent pitch diameters

This Powers repair kit provides a direct OEM replacement to ensure the valve body maintains its low-lead compliance and 100% seating integrity

40" WC calibration for reliable safety circuit closure

Lochinvar & A.O. Smith 100166244 Pressure Switch 30067439-890 What causes an Aaon R70240The Lochinvar & A. O. Smith 100166244 is a critical OEM boiler replacement part engineered for precise air pressure monitoring within high efficiency heating systems. This 1. 06" WC SPDT pressure switch is a factory certified component designed to ensure the inducer motor or blower is generating sufficient draft before allowing the ignition sequence to proceed. As a Single Pole Double Throw (SPDT) configuration, it provides versatile switching logic,