GR40 control unit for medium pressure diaphragm pumps with working pressure regulating valve, by-pass control lever and glycerine filled pressure gauge with colored dial.   2.6 Lbs.

For use with AR303,AR403 & AR503 Pumps

Specifications: 1/2 NPT Inlet, 3/8″ Outlet, 3/4″ Return. Maximum 10.6 GPM, 580 PSI 140 Deg. F

Order Direct Mount Kit 976I Separately if needed

Order Remote Mounting Kit 983S Separately if needed