General Pump Thermal Relief Valve 145Deg Model:GP100556 - 1/4" Model: RS500 (RS500H approved for

Model: RS500 (RS500H approved for Honda)

Mecline VHP-39 unloader valve

Inlet / Outlet : 1/2" FPT

At 145° F the valve opens to allow cool water to enter the pump if the washer is left running without the trigger being pulled

90° spray pattern and a wide range of GPH ratings

General Pump Thermal Relief Valve 145Deg Model:GP100556 - 1/4" Model: RS500 (RS500H approved forGeneral Pump thermal relief valve protects your power washer pump from overheating. At 145 F the valve opens to allow cool water to enter the pump if the washer is left running without the trigger being pulled. Maximum Rated Pressure: 145psi Install in bypass loop or low pressure port. Thread Sizes*: 1 4" MPT, 3 8" MPT, 1 2" MPT *NOTE* NPT cannot be measured by a tape. See table below and if you are unsure what thread size you need please contact us.