153B2126GS Unloader Valve Kit with Chemical Injector

The 153B2126GS Unloader Valve is a bolt on Regulating Valve from AR Annovi- Reverberi.
This is the AR Gymatic 3/B Series Unloader valve for RK, RKV, XT and XM Series AR Annovi-Reverberi high pressure pumps.

The 153B2126GS Unloader Valve comes with the following standard features:

Fits RK,RKV, XM, XMV,XMA, Series Pumps
Max PSI: 3650
Inlet Port: 1/2" Female
Outlet Port: 3/8" Male
Max GPM: 3- 5.5GPM
By-Pass: Brass Built In By-Pass AR1540020
Steel Inlet Mounting Bolt AR1540090
Brass High Pressure Outlet Bolt AR1540080
Bolt Kit with washers and O-Ring available

The Gymatic 3/B Bolt on unloader was used and various models or pressure washers throughout the industry and can be found on most major brands of pressure washers.
You can also tell if you have a Gymatic Unloader valve by looking at the brass by-pass adaptor this brass piece will have GYMATIC 3 stamped into the brass housing.