Ranco O12-1550 Pressure Control Refrigerant Critical Safety: Properly communicates with

Critical Safety: Properly communicates with the integrated furnace control to verify flame presence within the specified timing window

Look for audible hissing at the actuator head

or the system "hunting" for stable pressures

with a specialized progressive differential for precise calibration

Enhanced Protection: The included heavy-duty cover prevents accidental adjustment and environmental contamination of the electrical terminals

Ranco O12-1550 Pressure Control Refrigerant Critical Safety: Properly communicates withThe Ranco O12 1550 dual pressure control is a precision engineered HVACR safety switch designed for commercial refrigeration systems utilizing non corrosive refrigerants. This Dual Pressure Controller features a low pressure side ranging from 10" WC to 100 PSI and a high pressure manual reset side factory set at 325 PSI. Engineered for reliability, the SPST switch action ensures precise compressor cycling and high end protection against head pressure