MARS 43370 Pressure Switch 323055-751 preventing compressor overheating and extending

preventing compressor overheating and extending the lifecycle of the entire condensing unit

Whether you are performing routine maintenance or emergency repairs on compatible Aaon HVAC units

Switching to a PSC would require significant wiring and control board modifications

preventing the leakage of combustion byproducts and ensuring the integrity of the secondary heat exchanger assembly

MARS 43370 Pressure Switch 323055-751 preventing compressor overheating and extendingThe MARS 43370 Pressure Switch is a mission critical fan cycling switch designed for precision condenser control in high performance cooling systems. This SPST open fall switch features fixed settings of 180 240 PSI, specifically engineered to open on a pressure drop to 180 PSI and close on a pressure rise to 240 PSI. This sequence ensures optimal head pressure regulation, preventing compressor short cycling and maintaining system efficiency during