This control is typically utilized as a low-pressure safety cutout to protect compressors during loss of charge or as a head pressure control for fan cycling in low ambient conditions

the PowerPro series

the 12739 serves both the compressor (40 microfarads) and the condenser fan motor (3 microfarads)

and Comfortmaker residential and commercial HVAC units

including the GCS series

Aaon P85450 Limit Switch Els PW 17895 This control is typically utilizedThe Aaon P85450 Limit Switch is a critical safety component designed for high performance HVAC equipment, specifically engineered for Aaon rooftop units and air handlers. This L240 30F limit switch functions as a primary thermal protection device, featuring a fixed temperature setpoint that opens the electrical circuit at 240F and automatically resets when the temperature drops by 30F. Built for industrial grade reliability, this manual reset limit