PA safety relief valve protects your power washer pump and system from pressure spikes.
VS170 - Single 3/8" FPT Inlet / Bypass (2450psi Max)
VS220 - Dual 3/8" FPT Inlet or Flow Through with 3/8" Bypass (3650psi Max)
MPN: 60.0515.00 (VS 170), 60.0525.00 (VS 220)
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.