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If the reading drops below the valve's drop-out range
When paired with the correct MKC-2 coil
ensuring the burner circuit interrupts if internal temperatures exceed safe operational parameters
and rooftop heaters
allowing for simultaneous control of multiple loads or feedback loops from a single trigger
A.J. Antunes 8024204107 Pressure Switch Els PW 17895 If the reading drops belowThe A. J. Antunes 8024204107 (Model SMD) is a field adjustable air differential pressure switch engineered for precise airflow monitoring in commercial HVAC, exhaust systems, and industrial air handling equipment. This SPDT pressure switch provides versatile control with a set point range of 0. 17 to 6 inches water column (W. C.), ensuring accurate sensing for proof of airflow and combustion safety circuits. Built for heavy duty applications, the unit