such as a dirty filter

and MP8000 series valve actuators

allowing for multi-positional indoor installation without the need for traditional vent piping to the outdoors

ensuring seamless fitment in existing venter housings

Cleveland Controls AFS-398 Air Switch Els PW 17895 such as a dirty filterThe Cleveland Controls AFS 398 is a professional grade air pressure sensing switch engineered for precision proving in HVAC and energy management systems. This differential air pressure switch features a versatile adjustable set point range from 0. 03" to 2. 0" w. c., allowing for exact field calibration using the integrated adjustment screw. This SPDT air switch is housed in a rugged plated enclosure with a high quality silicone diaphragm, making it