Heavy Duty Trapped Pressure Unloader Valve For Pressure Washers, 21 GPM At 4050 PSI, One Half Inch NPT Fittings, 200F Max, YU21405 General Pump Replacement Part
✔️ 21 GPM at 4050 PSI with 1/2 inch NPT fittings, bypass ports, max 200°F
This rugged unloader valve is a replacement part for pressure washers, used to safely relieve pressure when the spray gun is released. It's compatible with standard 1/2 inch NPT-F connections and handles hot water up to 200°F in typical fleet, shop, or home setups.
✅ 21 GPM max flow rate at operating pressure
✅ 4050 PSI max pressure rating
✅ Inlet: 2x 1/2" NPT-F, Outlet: 1/2" NPT-F, Bypass: 2x 1/2" NPT-F
✅ Replacement part, supports 1/2" NPT-F plumbing, compatible with common washers
💡 What is a pressure washer unloader valve and why does it matter? A handy component that helps control pressure and protect components in high-pressure cleaning systems. - It helps prevent hose bursts by routing flow to bypass when trigger is released. - It maintains safe pressure levels for the pump and seals. - It reduces wear and tear on hoses and fittings.