General 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.