GR40 Regulator Hose I.D._5/8" 45 is the replacement ball

45 is the replacement ball valve-right on Udor regulators

The 50-gallon Nurse Tank Fill System is perfect for filling ride-on sprayers and back pack sprayers

however with this gun you adjust the stream by squeezing the trigger

Continued operation with insufficient gear oil can cause accelerated bearing

GR40 Regulator Hose I.D._5/8" 45 is the replacement ballThis control unit, for mounting on AR & older Hypro pump models AR303 and AR403, is capable of handling flow rates up to 10. 6 gpm and pressures up to 580 psi. The kit includes the pressure gauge along with two 1 2" outlet ports with shutoff valves. The GR40I has replaced the 9910 GR40control unit. Features: Control unit for AR303 & AR403 Max flow of 10. 6 GPM Max pressure of 580 PSI AR GR40 Manual & Parts Breakdown