This wheel measures 9

it is designed to spin clockwise to pull air through the coil

Designed for rapid integration in 24V burner circuits

Technicians favor this model for its high MOPD capabilities and the ability to service internal components without removing the body from the piping

For a reliable repair

Antunes Controls 8021202056 Pressure Switch Els PW 17895 This wheel measures 9The Antunes Controls 8021202056 (SMD Series) is a high precision air differential pressure switch engineered for critical proving applications in HVAC and energy management systems. This SPDT air pressure switch features a versatile sensing range of . 17 1" W. C., providing reliable monitoring of positive, negative, or differential air pressure. Built with a rugged sheet metal housing and a sensitive diaphragm, it ensures accurate setpoint indication