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or internal cleaning to ensure a reliable seal upon reassembly
OEM Compatibility: Replaces Nordyne part 621696 and 621596
specifically for linkage-based installations
verified continuity across this switch is a standard diagnostic step to restore proper system sequence of operation
it is compatible with the Maxitrol RV81
Cleveland Controls AFS-438 Switch Els PW 17895 or internal cleaning to ensureThe 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
US$ 49.99
US$ 89.99
US$ 78.90