MARS 43370 Pressure Switch 323055-751 Switching to a PSC would

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

Can I use the 257473 to replace non-Reznor DSI controls

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

maintaining the integrity of the damper control system under varying thermal loads

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

MARS 43370 Pressure Switch 323055-751 Switching to a PSC wouldThe 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