Built with a durable bimetallic disc for precise thermal response

Engineered for Aaon rooftop units and air handlers

Designed for high-performance combustion environments

technicians should verify static pressure and temperature rise across the heat exchanger

maintaining precise valve positioning and shut-off capability

Carrier 00PPG000492100A Pressure Switch 30067439-890 Built with a durable bimetallicThe Carrier 00PPG000492100A Pressure Switch is a mission critical OEM replacement part designed for precision pressure monitoring within Carrier, Bryant, and Payne HVAC systems. This switch is calibrated for a 160 In cut in and 204 Out cut out profile, ensuring the inducer motor or refrigerant circuit maintains exact operational safety limits. As the direct cross reference for the obsolete 00PPG000453600A and a replacement for HK02ZA440, it offers