1 1/2" BigAL High Flow Differential BackUp Valve

The 1 1/2" BigAl valve is designed to handle high flow rates of up to 330 gal/min (1500 L/min) on high pressure, with adjustable water levels that increase pump life and save electricity. The BigAl valve allows for a single level or variable minimum and maximum water levels in pump-fed large storage tanks and reservoirs and in water mains and gravity-fed large storage tanks and reservoirs. For rainwater harvesting applications, it works as a backup water supply control valve, in the event that demand exceeds rainfall.