The rugged aluminum housing ensures thermal stability across an operating range of -40°F to 205°F

maintaining system efficiency and indoor air quality standards

as well as CFC

ensuring proper airflow dynamics and protecting internal components from environmental degradation

A.J. Antunes 8024204107 Pressure Switch Els PW 17895 The rugged aluminum housing ensuresThe 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