Mecline VRT3-310 Unloader - Black Spring (10.5 GPM, 4500 PSI)

The Mecline VRT3-310 unloader valve regulates water flow and prevents dangerous pressure buildup when the trigger gun valve is closed. When the trigger is released, the unloader diverts water into bypass mode, protecting the pump and system components. Specifications: - Max Pressure: 4,500 PSI - Max Flow: 10.5 GPM - Max Temperature: 194°F (90°C) - Inlet: 3/8" FPT (2 ports) - Outlet: 3/8" FPT - Bypass: 3/8" FPT (2 ports) - Spring Color: Black - Body: Forged brass - Internals: Stainless steel Features: - Adjustment knob for easy pressure setting - Dual locking nuts for vibration resistance - Oversized handle for convenient adjustments - Must be installed vertically Cross References: 8.750-299.0, 87502990, 5-3208, 40141609 The Mecline VRT3 series is an updated version of the MV Series unloaders with a stronger valve body and improved pressure adjustment mechanism. Distributed by AR North America. Spring color indicates max PSI rating: Yellow (2320), Blue (3650), Black (4500).