Prevent moisture and condensation with refrigerant evacuation pumps from Grainger. The gas ballast valve keeps oil cleaner, longer during evacuation of wet systems. The internal check valve prevents oil backup into the during power failure. All units are 115V, 60 Hz and have check valves to prevent oil backflow and sight glass. The 2-stage pumps pull a vacuum down to 15 microns or better.
Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More