Recommend for use on a reverse osmosis system with a drinking water system attached. Air gap faucets will prevent sink drain water from entering the system via the wastewater line. This is particularly important if your home experiences sewage backup.
Air gap faucets do emit some amount of noise while the storage tank fills, which is completely normal and proves the air gap is working.
Specifications:
Hole Size Required – 7/8″
Product Line Size – 1/4″ RO Tubing
Drain Line Size – 3/8″ RO Tubing