🔧 Hi-Lo Trombone Valve – 1/4" Adjustable Pressure Control for Pressure Washers

The Hi-Lo Trombone Valve is a manual pressure control valve designed for pressure washing and soft wash systems. Its easy slide-action lets you switch instantly between high pressure for rinsing and low pressure for downstream chemical injection or delicate surface cleaning.

✅ Quick manual adjustment – slide to switch from high to low
✅ 1/4" FNPT brass threads for easy hose and lance integration
✅ Heavy-duty brass body with corrosion-resistant internals
✅ Ideal for downstream injector systems and soft washing
✅ Simplifies detergent application and protects sensitive surfaces

This compact, reliable trombone-style valve is a favorite among contractors for its ease of use and versatility. A great addition to any mobile rig, trailer setup, or shop-based pressure washing system.