Lochinvar & A.O. Smith 100166244 Pressure Switch 30067439-890 Look for a blown top

Look for a blown top membrane

Contractor-Friendly Installation: Features double quick-connect terminals and multi-poise mounting for faster setup in tight spaces

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

it provides the necessary flexibility and tensile strength to withstand fluctuating upstream pressures without compromising the seal

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

Lochinvar & A.O. Smith 100166244 Pressure Switch 30067439-890 Look for a blown topThe 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,