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What is the differnce between an Air Gap Faucet and a Non Air Gap Faucet?
Air gap faucets for Reverse Osmosis systems dispense water just like standard non air gap faucets, but have the air gap built into the base of the faucet. Air gap faucets are designed to prevent backflow by incorporating a "backflow prevention" method called an "air gap".
Air gap faucets have three connections on the bottom of the faucet to connect tubes. The center threaded stem of the faucet is the RO water inlet connector from the tank. This connection is the same on air gap faucets and non- air gap faucets alike, and can use 1/4" or 3/8" tube. There are two more connections on the bottom of air gap faucets. One large barbed connector (3/8") and one small barbed connector (1/4"). Use a piece of 3/8" poly tube to connect the 3/8" connection of the base of the faucet to the 3/8" inch drain saddle. Be very sure that there are no droops in the 3/8" drain line as it goes downhill from the faucet to the drain saddle.
Air gap faucets require a 3/8" drain line and a 3/8" drain saddle. The 3/8" line from the base of the faucet to the drain saddle is not pressurized, it will work by gravity, just like the sink drain. That is why it must be 3/8" and why it cannot have any dips in the line. The waste line from the Reverse Osmosis system is 1/4". The water pressure forces the water out of the system and it enters an air gap faucet via the 1/4" brarbed connector on the base of the air gap faucet. Internally, inside of air gap faucets the water enters a small chamber in the back of the faucet. The water enters at the top and falls into the larger hole and 3/8" drain tube in the bottom of the air gap. There is a hole in the back of the faucet the goes into the air gap. The hole is part of the air gap device. It must remain open and free of debris. A faucet without a hole is not an air gap faucet. This hole allows waste water go into the top and out the bottom. Water drops past the hole into the 3/8" waste line. This water action may create a noise that comes from the open hole in the back of air gap faucets. Air gap faucets are noisier than non- air gap faucets. Some homeowners object to the noise that can come from an air gap faucet. Non- air gap faucets are much quieter
Air gap faucets are required in some areas as a matter of local codes, not in other areas. You will need to check your local code to see if you are required to install an air gap faucet. In some locals you can install a inline check valve in the drain line for backflow prevention. This allows the use of a non- air gap faucet, thereby eliminating the noise associated with air gap faucets.
When code allows, the 1/4" waste water out of the system is connected to a 1/4" drain saddle installed on the drain pipe under a sink. This is also a very quiet installation and is the most common. Air gap faucets can be installed as non air gap faucets by installing a 1/4" drain saddle. Remove the 1/4" waste water line out of the reverse osmosis system from the base of the faucet and attach it to the 1/4" drain saddle. Remove the 3/8' drain line from the air gap faucet and discard. This will silence a noisy faucet.
Replacement Non Air Gap Faucets For Reverse Osmosis RO Systems, Pure Water Systems And Water Coolers - TouchFlo Faucets. Low prices and fast shipping online since 1999. Millions sold. Quantity discounts. DIY HELP Guides.
Air Gap Faucets For Reverse Osmosis RO Water - Replacement faucets in many different finishes to compliment your kitchen décor. Low prices and fast shipping online since 1999. Millions sold. Volume discounts. DIY HELP Guides.
Air gap faucet conversion to a non air gap faucet for reverse osmosis drinking water systems. Low prices and fast shipping online since 1999. Millions sold. Volume discounts. DIY HELP Guides.
Replacement water faucets, water pumps, tanks, UV, drain saddles, o-rings, wrenches, valves, water accumulator tanks, fittings, TDS meters, water filters, reverse osmosis membranes, parts for reverse osmosis and pure water drinking systems. Low prices and fast shipping online since 1999. Quantity discounts. Millions sold. DIY HELP Guides.
Chiller Daddy Water Chillers for RO reverse osmosis water purification systems - Chiller Daddy CHL-501 & CHL-750XL Undersink and under cabinet water chillr.
Water Filter System and Reverse Osmosis System Installation and Service Guide. Huge inventory of replacement water filters , reverse osmosis membranes and maintenance service parts. Low prices and fast shipping online since 1999. Millions sold.
Dual Temp Replacement Faucets for RO Reverse Osmosis and Pure Drinking Water Filter Systems. Huge selection of styles and finishes in stock. Low prices and fast shipping online since 1999.
Water Cooler Replacement Faucets - Standard style in red, white or blue color choices. Very easy to replace on water coolers using standard faucets. Large inventory for prompt shipping. Low prices and fast shipping online since 1999.
Replacement Air Gap and Non Air Gap Faucets For Reverse Osmosis RO Systems, Pure Water Systems And Water Coolers - TouchFlo Faucets. Low prices and fast shipping online since 1999. Millions sold. Quantity discounts. DIY HELP Guides.
Leak Controller For Reverse Osmosis Systems, Refrigerators, Ice Makers and Coffee Machines. Low prices and fast shipping online since 1999. Millions sold. Quantity discounts. DIY HELP Guides.
Amtrol Reverse Osmosis Accumulator Water Storage Tanks - Water tanks for reverse osmosis drinking water systems. Low prices and fast shipping online since 1999. Millions sold. Quantity discounts. DIY HELP Guides.
Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system. View maintenance and servicing tips online at our Installation & Trouble shooting Guide.