K7.1 Unloader Valve – 3 to 4.2 GPM, 3500 PSI, Adjustable Pressure

The K7.1 unloader valve is a compact, adjustable bypass valve designed for pressure washers running 3 to 4.2 GPM and up to 3500 PSI. Known for its smooth pressure regulation and long service life, it protects your pump by diverting flow when the trigger gun is released.

Its compact size and durable construction make it ideal for mobile setups, surface cleaners, and light-duty commercial applications.

🔧 Key Features:

• Flow Rate: 3 to 4.2 GPM

• Pressure Rating: Up to 3500 PSI

• Inlet/Outlet Ports: 3/8" FPT

• Bypass Port: 3/4" FPT

• Adjustable pressure for easy tuning

• Brass body with stainless steel internals

✅ Great For:

• Compact skid units and carts

• General pump and AR pump systems

• Surface cleaners, mobile detailers, and light fleet washing

🛒 Upgrade your system with the K7.1 for smoother operation, longer pump life, and reliable control under pressure.