Johnson Controls P70LB-6C Johnson Control For Dual Pressure Applications., Micro Set Control Differential Allows For Precise, Control On Criticle Low Pressure Applications., Range 12" To 80" (-41 To 551 Kpa), Differential Min 5" (34 Kpa) Max 35" (241 Kpa), Pressure Connection 36" Cap W/ 1/4" Flare Nut, High Pressure Side Range 100" To 500" (690 To 3447 Kpa), Non Adj Differential 65" (448 Kpa) Fixed, Limited Knob Adj (supplied/not Assembled) Low Cut-out, Switch Action Spst, Code # P70lb-6c Non-corrosive Refrigerants, Designed Primarily For Low Pressure Cut-out Control And, Capacity Control On Commercial Refrigeration And Air, Conditioning Applications.