Secure Interfacing: Engineered for a snap-in fit to the mounting bracket

The non-metallic disc-to-metal seating and stainless steel spring are isolated by a high-temperature resistant water seal

a furnace that fails to sequence past the initial startup

Key Benefits: Universal Compatibility: Works with various 120V AC control circuits across multiple HVACR brands

Rated for 40 amps inductive and 50 amps resistive

Cleveland Controls AFS-155 Air Proving Switch 321142-301 Secure Interfacing: Engineered for aThe Cleveland Controls AFS 155 Air Proving Switch is a versatile differential pressure switch designed to monitor positive, vacuum, or differential air pressure in commercial HVAC and energy management systems. This adjustable air pressure switch features a wide set point range from 0. 05" . 02" to 2. 0" w. c., allowing for precise field adjustments to meet specific application requirements. Built with a rugged die cast aluminum housing and a silicone