Robertshaw O12-1502 Refrigeration Pressure Controller

Refrigeration Pressure Controller; Type Adjustable Differential and Range; Operating Pressure Rating 12 Inch Mercury Vacuum to 50 PSI (Open Low)/150 to 450 PSI (Open High); Differential Pressure Rating 5 to 35 PSI; Contact Configuration SPST; Connection Type 1/4 Inch SAE Flare Nut; Application Dual Pressure Control, Refrigeration; Capillary Length 36 Inch; Reset Type Auto