This unloader valves replaces 16030, 190627GS, 190594GS, 190593GS. Suitable for many different brands and models This unloader valves is make of strong materials to withstand the rigor of high pressure cleaning, for enduring and stable performances Helps maintain consistent pressure levels for efficient cleaning and results on a variety of surfaces This unloader valves is a convenient solution for maintaining your pressure washer in top condition Easy to Install: This unloader valves has a simple design, and users can quickly replace worn parts without the assistance of a professional, Manufacturer: Hangsu