General Pump K5.1 Unloader Valve, 3000 PSI 4.22 GPM, 1/2″ MPT Out

by | Jul 26, 2026

This 8.712-612.0 General Pump K5.1 flow regulated unloader valve relieves line pressure when the pressure washer is in bypass mode. Designed with no external moving parts or springs, and all stainless steel and brass components, with dual gauge ports and convenient...

General Pump K5.1 Unloader Valve, 3000 PSI 4.22 GPM, 1/2″ MPT Out

by | Jul 26, 2026

General Pump K5.1 Unloader Valve, 3000 PSI 4.22 GPM, 1/2″ MPT Out This 8.712-612.0 General Pump K5.1 flow regulated unloader valve relieves line pressure when the pressure washer is in bypass mode. Designed with no external moving parts or springs, and all...

MTM Hydro MG4000 Unloader Valve, 1500 PSI 10.0 GPM

by | Jul 26, 2026

MTM Hydro MG4000 Unloader Valve, 1500 PSI 10.0 GPM MTM Hydro’s MG4000 unloader series is a trapped pressure unloader that has universal 3/8″ ports for mounting, installation, and bypass requirements. The MG4000 unloader readily competes and regularly replaces...