4090  New Style Pressure Reducing Valve
4090 Pressure Reducing Valve - New features, easier to adjust, but only slight adjustments can be made. Valve is complete with female garden hose connection on inlet side and interchangeable 1/4" and 5/16" hose barb connection on outlet side. Pressure regulator is set at approximately 8 PSI. If slight changes are necessary, pull cap up and turn it counter clock-wise to increase or clock-wise to decrease. If you need more or less than 8 PSI you will need to order the 4008 reducer. A pressure gauge is included with the reducer but the pressure can only be SLIGHTLY changed.