Cleveland Controls AFS-438 Switch Els PW 17895 If you are experiencing periodic

If you are experiencing periodic "limit circuit" or "flame sensor" faults that cannot be traced to the components themselves

Field technicians often encounter "pressure switch stuck open" errors due to failing diaphragms or scaled-out draft inducer assemblies

Field technicians rely on the ST-MTG-1/DC44 for its ability to maintain precise stem alignment

Rugged Type 84 Housing: Built specifically to withstand the high-cycle demands and thermal fluctuations found in air-side equipment

Cleveland Controls AFS-438 Switch Els PW 17895 If you are experiencing periodicThe Cleveland Controls AFS 438 is a professional grade SPDT air pressure sensing switch designed for critical monitoring in HVAC, energy management, and light industrial applications. This adjustable pressure switch features a versatile set point range of 0. 05" w. c. to 2. 0" w. c., allowing for precise field calibration to verify positive, negative, or differential air pressure. Engineered with a durable plated housing and a silicone compatible