General Pump 100972 Hot Water Stainless Steel Safety Relief Valve 4,500 PSI 3 - 7 GPM 1/2” MPT-N with 3/8” Hose Barb. This safety relief valve is a manually adjustable pressure-operated device which, according to its setting releases the excess of water when the pressure inside the pump/system exceeds the adjusted value, thus reducing the pressure. The normal working conditions can be restored by turning off and then restarting the system

Features:
• High pressure reducing valves: 1500-4500PSI relief pressure
• Designed for reduced back pressure compared to most models
• Less “whistling” and chatter than competing brands
• Highly accurate over full range of pressures
• Fits any brand of pump
• Designed and produced in the USA

Specification Sheet

Specifications:
• Min Relief Pressure: 1,500 PSI
• Max Relief Pressure: 4,500 PSI
• Volume: 3 - 7 GPM
• Discharge: Side
• Max Temperature: 284° F
• Inlet: 1/2" NPT-M
• Hose Barb: 3/8”
• Materials: 303 Stainless Steel, Viton, Delrin
• Body Dimensions: 2.05” x 2.62”
• Weight: 0.50 lbs