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This 2-stage air pressure switch is specifically engineered for Goodman and Amana +90% AFUE furnaces
While the cast iron body is rated for 125 psig
Solid-State Circuitry: Provides consistent response times and resistance to vibration and environmental interference
Precise Proportional Control: Utilizes a highly sensitive bimetal element for stable linear operation of pneumatic devices
Automation Components Inc (ACI) MS-KA/R Detector 320735-701 This 2-stage air pressure switchThe Automation Components Inc (ACI) MS KA R Detector is a high performance remote duct smoke detector accessory engineered to interface seamlessly with HVAC duct smoke detectors in commercial, industrial, and residential environments. This specialized unit provides critical audible and visual indication of smoke or combustion products, ensuring rapid alerts through a dedicated red alarm LED. Designed for reliability and ease of use, the MS KA R