The Valve Will Then Open And Remain Open Until The Maximum Level Is Reached. For Pump Fed Large Reservoirs; Allows For A Single Level Or Variable Minimum And Maximum Levels Within A Reservoir Or Tank. *Mains Or Gravity Fed; Allows For A Single Level Or Variable Minimum And Maximum Water Level Within A Reservoir Or Tank. *Rainwater Harvesting; As A Backup Water Supply Control Valve, Providing A Backup Supply Of Water In The Event Of Demand Exceeding Rainfall. This Extremely High Volume Diaphragm Activated Valve Gives You Greater Control Of The Water Levels In Your Water Tank Or Reservoir. With Two Weights; The Big Boy Allows Variable Adjustment Between Minimum And Maximum Water Levels Saving Your Electricity By Reducing The Number Of Times Your Pump Runs. Flow Rate Aup To 1500 L/Min. Service Kit Code: Bbkit
