General Pump - Interpump 66 series TSP 1821 triplex pressure wash pump

3/8" male inlet/outlet/bypass

Material: Nylon Brush

Thread Size: Connects twist seal M22 plug x M22 plug (14mm core)

PA VS500 500/310 Safety Relief Valve 21gpm portable-hot-water-gas-engine-pressure-washers General Pump - Interpump 66PA VS 500 safety relief valve protects your power washer pump and system from pressure spikes. Models Available: 60520000P Rated Pressure: 7250psi 60523000P Rated Pressure: 4500psi Specs: 21 gpm 90 C 195 F Inlet: 1 2" FPT Bypass: 3 8" FPT Does Not Replace the Unloader Valve. These safety valves are for use as a backup to an unloader or main relief in an open system without a trigger operated spray gun.