Orbit Mister Auto Drain Valve Is A Key Part Of Outdoor Mist Cooling Systems. It Automatically Drains Excess Water From The Mist Line When Not In Use Preventing Clogging And Ensuring Optimal Performance. The Valve Functions As A Siphon Drawing Out Water And Is Installed At The Lowest Point Of The Mist Line To Ensure Complete Drainage. It Can Be Installed By Threading Into A 10/24 Female Nozzle Or Inserted Into A Slip Lock Fitting For Secure Placement. This Essential Valve Helps Maintain System Efficiency And Extends The Life Of The Misting Setup By Preventing Stagnant Water Accumulation.