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maintaining UL/CSA listing integrity
Ensure you verify the CW rotation and 1/2 inch shaft compatibility before installation to maintain peak system air handler blower wheel performance
This industrial pressure switch operates with an open-low action
provided the MFD ratings match exactly
the unit features a pre-packaged power supply design that simplifies field installation
Lochinvar & A.O. Smith 100166244 Pressure Switch 30067439-890 maintaining UL/CSA listing integrityThe 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,
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