Versatile SPDT switching logic enables both normally open and normally closed configurations for alarm or control functions

For shorter runs

Utica MAGB

and ignition modules without overloading the system

it is recommended to use the factory-finished 12-inch length to ensure the ends are square and fire-polished for the best seal

Cleveland Control AFS-227-161 Switch Els PW 17895 Versatile SPDT switching logic enablesThe Cleveland Controls AFS 227 161 is a professional grade proving switch engineered for precision air pressure monitoring in HVAC and energy management systems. Designed to sense positive, negative, or differential air pressure, this SPDT airflow switch features an adjustable set point range from 0. 05" 0. 02" to 12. 0" w. c., providing the technical flexibility required for complex duct static pressure and fan proving applications. The unit utilizes