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The Best Air Gap Fitting of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Air Gap Fitting of 2023. Check our ranking below.
2,344 Reviews Scanned
Rank No. #1
Water Softener Air Gap with 1/2-inch Barb Connector for Installation on a 1-1/2-inch Standpipe with PVC Trap Adapters (ET117-008, G-50BP, DLA-G)
- ❤ SIMPLE INSTALLATION: The ET117-008 is designed for connecting discharge water tubing from a water softener to a drain line. Its 1/2-inch barb inlet accommodates a 1/2-inch ID poly tube, while its 1-1/2-inch OD outlet connects to a 1-1/2-inch standpipe drain. Included PVC adapters provide for a secure connection to the standpipe. A black vinyl end cap (P/N ET170-018) is offered as an optional accessory for the ET117-008. The ET117-008 can be pressure fit or glued to a plastic standpipe.
- ❤ STANDPIPE CONNECTION: The ET117-008 has a 1-1/2-inch OD outlet that connects to a 1-1/2-inch standpipe. The air gap can adapt to different pipe materials and sizes with the use of additional adapters or couplers. The air gap’s flow capacity is 15 gallons/minute.
- ❤ DRY OPERATION: The ET117-008 is designed with a splash guard to assure a completely dry operation.
- ❤ CERTIFICATION: The ET117-008 is legal to install in any state. It is UPC (Uniform Plumbing Code) Listed, IPC (International Plumbing Code), and NSF (National Sanitation Foundation) tested. These certifications assure that every product is safe to use. The testing is conducted for every manufactured lot to ensure consistent performance.
Rank No. #2
Water Filter/Softener Air Gap With 3/4-inch Female Threaded Inlet for Use With 1-1/2-inch or 2 inches (with coupler) Standpipe (ET115-002, G-175, DLA-G15)
- ❤ FLOW RATE: The ET115-002’s minimum flow rate is 0.5 gallons per minute (GPM) and the maximum flow rate is 9 gallons per minute (GPM). The minimum and maximum flow rates through an air gap are the lowest and highest flow rates at which water does not splash outside of an air gap. At minimum or maximum flow rate, the air gap is dry on the outside.
- ❤ SIMPLE INSTALLATION: The ET115-002 is designed for connecting discharge water tubing from a water softener system to a drain line. Its 3/4-inch MIPT threaded inlet accepts a 3/4-inch threaded PVC pipe or the 3/4-inch threaded ET170-XXX series air gap adapters (models -009 to -014). The ET115-002 installs to a 1-1/2 inches OD standpipe or 2 inches OD standpipe with 2-inch couplers. The ET115-002 can be pressure fit or glued to a plastic standpipe.
- ❤ STANDPIPE CONNECTION: The ET115-002 connects to a 1-1/2 inches OD standpipe or 2 inches OD standpipe with couplers. The air gap’s flow capacity is 15 gallons/minute.
- ❤ DRY OPERATION: The ET115-002 is designed with a splash guard to assure a dry operation. It is also recommended to install the ET115-002 at least 18 inches above the P-Trap to avoid water splashing back from the air gap.
- ❤ CERTIFICATION: The ET115-002 is UPC (Uniform Plumbing Code) Listed, IPC (International Plumbing Code), and NSF (National Sanitation Foundation) tested. The testing is conducted for every manufactured lot to ensure consistent performance.
SaleRank No. #3
Plumb Pak PP855-69 2 in. Plastic Water Softener Air Gap for Standpipes
- BACKFLOW PROTECTION: Provides full backflow and anti-siphon protection to prevent wastewater from getting into water supply
- EASY TO INSTALL: Fits 1-1/2-in. and 2-in. diameter metal or plastic standpipes, can be mounted at 3 different levels
- STANDARD DESIGN: Allows soft rubber washer hose or aluminum washer drain hook up to share standpipe with other air gap units, recommended usage 1 to 7 gallons/minute (3. 7 to 26. 5 liters/minute)
- VARIOUS APPLICATIONS: For use with washing machine discharge, dehumidifiers, water filtration devices, and water softeners
- COMPLIANCE: UPC listed and tested for compliance to IPC and NSF standards, provides more than twice the code-required minimum air gap opening
Rank No. #4
Universal Dual Air Gap with Dual 3/8-inch OD Ports (AG100-002, 34800)
- ❤ FLOW RATE: The AG100-002’s maximum flow rate is 4 gallons per minute (GPM) for each port. The maximum flow rate through an air gap is the highest flow rate at which water does not splash outside of an air gap. At maximum flow rate, the air gap is dry on the outside.
- ❤ EASY TO CONNECT: The AG100-002 air gap has two 3/8-inch OD inlet port for direct 3/8-inch ID poly tube connection. Both inlets can drain water simultaneously without interfering with each other. Since an air gap is a non-pressurized device, very little pressure is exerted on the tubing connected to the air gap. To minimize the movement of tubes connected to the air gap, it is recommended that tubes are secured to a supporting structure using clamps within 18 inches from the air gap.
- ❤ STANDPIPE CONNECTION: The AG100-002 air gap inserts directly into the 1-1/2-inch and 2-inch standpipes. The body of the air gap provides stops to assure secure placement. This air gap can be used with plastic or metal standpipes. If needed, it can be glued in place to plastic standpipes using regular PVC adhesive. The air gap outlet is designed to pass up to 8 gallons per minute. The optimum recommended flow rate is 5 gallons per minute.
- ❤ SPLASH PROTECTION: The AG100-002 air gap uses splash guards to assure a completely dry operation. Splash guards are an integral part of the design and can be seen through the side air gap window. During water softener operation, an initial discharge surge can create splashing. Splash shield eliminates the possibility of water splashing outside of the air gap. When designing drainage for an air gap, makes sure that P-trap is located minimum 20-inches from the top of the standpipe.
- ❤ QUIET OPERATION: When water exits the air gap, depending on the design, it may flow directly into a P-trap. This can create splashing noise that may be objectionable. To avoid excessive noise, it is recommended to use 22 degrees elbow inline with standpipe to avoid direct drainage to P-trap. The pipe elbow should be located at least 12 inches from the air gap to eliminate splashback. If an elbow is not an option for your application, we can provide a flow deflector.
SaleRank No. #5
Zurn AG-5 - Air Gap Fitting, Blue
- 1-1/4" - 2" air gap fitting - 975XL, 975XL2
- Provides a means of attaching a drain line to an RP
- Prevents a cross connection between the drain and potable supply
- Air Gap assemblies are available for all Wilkins RP Assemblies
Rank No. #6
Water Softener Air Gap for installation in Washing Machine box with 2-inch Drainpipe (61-S, GAP-IT, AG140-001)
- ♥ EASY TO CONNECT: The AG140-001 air gap has 1/2-inch OD inlet port that is designed to fit 1/2-inch schedule 40 PVC slip fitting with O-ring. It is designed to fit into recessed washing machine outlet boxes with 2 inches drainpipe. The AG140-001 allows space for washer drain hook or soft rubber washer hose.
- ♥ STANDPIPE CONNECTION: The AG140-001 comes with a 2 inches PVC mounting base that fits into a recessed washing machine box with 2 inches drainpipe. The air gap is tested at 15 gallons per minute and recommended usage is 7 gallons per minute.
- ♥ SPLASH PROTECTION: The AG140-001 air gap uses splash guards to assure a completely dry operation. Splash guards are an integral part of the design and can be seen through the side air gap window. During water softener operation, an initial discharge surge can create splashing. Splash shield eliminates the possibility of water splashing outside of the air gap. When designing drainage for an air gap, makes sure that P-trap is located minimum 20-inches from the top of the standpipe.
- ♥ QUIET OPERATION: When water exits the air gap, depending on the design, it may flow directly into a P-trap. This can create splashing noise that may be objectionable. The AG140-001 air gap is designed with a flow straightener to quiet and smooth out turbulent flow. Also, to avoid excessive noise, it is recommended to use 22 degrees elbow inline with standpipe to avoid direct drainage to P-trap. The pipe elbow should be located at least 12 inches from the air gap to eliminate splashback.
- ♥ CERTIFICATION: The AG140-001 is legal to install in any state. It is UPC (Uniform Plumbing Code) Listed, IPC (International Plumbing Code) and NSF (National Sanitation Foundation) tested. These certifications assure that every product is safe to use. Also, all of the products are tested for strength and to make sure that every glue joint will withstand at least 40lb of force and not break. The testing is conducted for every manufactured lot to ensure consistent performance.
Rank No. #7
Universal Multi-Drain Air Gap for Condensates, Water Softeners and Water Filters with 1/2-inch and 3/4-inch PVC and Copper Pipe Adapters (AG180-002, GAP-A-DRAIN)
- ❤ EASY TO CONNECT: The AG180-002 air gap comes with pipe support adapters for 1/2-inch or 3/4-inch PVC and copper pipe connection. Snap-in retainer provides a simple way to secure 1/2-inch pipes. For larger pipes, use a pipe support adapter and a stainless-steel worm clamp. For pipes to stay in place, ensure they are secured to a support structure within 12-24 inches from the air gap. An air gap is a non-pressurized device, and therefore very little pressure is exerted on the pipes.
- ❤ STANDPIPE / DRAIN CONNECTION: The AG180-002 installs directly onto a 2-inch standpipe or connects securely to a floor drain using a stainless hook. This air gap can be used with plastic or metal standpipes. If needed, it can be glued in place to a plastic standpipe using regular PVC adhesive. The air gap is designed to drain up to 36 gallons per minute safely. The optimum recommended flow rate is 18 gallons per minute.
- ❤ SPLASH PROTECTION: The AG180-002 uses a funnel design to assure a splash-free operation. During water softener operation, an initial discharge surge can create splashing. Funnel design and side splash guards eliminate the possibility of water splashing outside of the air gap. Make sure that P-trap is located minimum 12-inches from the top of the standpipe. This is needed to avoid water splashback from the P-trap and to create static water pressure for continuous water drainage.
- ❤ DRAINAGE CONTROL: When water exits the air gap, depending on the drainpipe design, it may flow directly into a P-trap. In some cases, this can create splashing noise that may be objectionable. To avoid excessive noise, it is recommended to use 22 degrees elbow inline with standpipe to avoid direct drainage into P-trap, but instead, let water flow on the side of the standpipe. The pipe elbow should be located at least 12 inches from the air gap to eliminate splashback.
- ❤ UNIVERSAL AIR GAP: The AG180-002 is a universal air gap that can accommodate flow rates below 36 GPM. The AG18-002 tested for strength and to make sure that every joint and connection will withstand at least 40lb of force and not break. The AG180-002 can accommodate up to 5 different discharge pipes and can handle the simultaneous flow from a water softener, RO filter, condensate, and iron filter. All discharge pipes should be pointed to the center of the air gap to provide the best drainage.
Rank No. #9
High Flow Rate Inline air gap with 1/4-inch FIP or 1/2-inch Thread Inlet and 5/8-inch Compression Fitting or 3/-inch Thread Outlet. (AG150-002, 211212, GAP-A-FLO)
- ❤ EASY TO CONNECT: Gap-A-Flo High Flow air gap (AG150-002) has a 1/4-inch FIP or 1/2-inch MIP threaded inlet and 1-1/4 inches outlet. The inlet accommodates 1/4-inch FIP or 1/2-inch threaded PVC adapters, while the outlet can accommodate 3/4-inch threaded PVC adapters. The AG150-002 provides a convenient way to install the air gap which can tilt up to 45 degrees.
- ❤ STANDPIPE CONNECTION: Gap-A-Flo High Flow air gap (AG150-002) is a gravity flow device and must have an outlet poly tubing feeding directly to a drain without kinks or bends. It can be oriented in any way between 45 degrees and vertical with inlet port elevated above the outlet port. To ensure easy wall mounting, a Jiffy Clip clamp is included with the air gap. The AG150-002 air gap’s recommended flow rate is 12 gallons per minute.
- ❤ SPLASH PROTECTION: The AG150-002 air gap uses rotating splash guards to assure a completely dry operation. Splash guards are an integral part of the design and can be seen through the side air gap window. During water softener operation, an initial discharge surge can create splashing. Splash shield eliminates the possibility of water splashing outside of the air gap. When designing drainage for an air gap, makes sure that P-trap is located minimum 20-inches from the top of the standpipe.
- ❤ QUIET OPERATION: When water exits the air gap, depending on the design, it may flow directly into a P-trap. This can create splashing noise that may be objectionable. To avoid excessive noise, it is recommended to use 22 degrees elbow in line with standpipe to avoid direct drainage to P-trap. The pipe elbow should be located at least 12 inches from the air gap to eliminate splashback.
- ❤ CERTIFICATION: The AG150-002 is UPC (Uniform Plumbing Code) Listed, IPC (International Plumbing Code) and NSF (National Sanitation Foundation) tested. The testing is conducted for every manufactured lot to ensure consistent performance.
SaleRank No. #10
Westbrass D200-1-20 1-3/4" x 2-3/4" Solid Brass Air Gap Cap Kit, Skirted, Stainless Steel
- Air gap cap with flange and plastic body included
- 1-3/4 in. cap diameter
- 2-3/4 in. cap height
- 9-1/8 in. overall height with plastic body
- Cap covers entire air gap body and installs flush to sink
Rank No. #11
Westbrass R200-1-26 1-3/4" x 2-3/4" Solid Brass Air Gap Cap Kit, Skirted, 1-Pack, Polished Chrome
- Air gap cap with flange and plastic body included
- 1-3/4 in. cap diameter
- 2-3/4 in. cap height
- 9-1/8 in. overall height with plastic body
- Cap covers entire air gap body and installs flush to sink
SaleRank No. #13
Apollo AGD4A1 Air Gap Drain, For 1/2", 3/4", 1" Reduced Pressure Principle backflow preventers
- Designed to funnel minor relief valve discharges, due to line pressure fluctuations and /or minor check valve fouling, into the drainage system
- Drain piping is easily attached to the drain's threaded bottom
- The AGD is not designed to collect the full discharge capacity of the relief valve
- For installation with Conbraco's RP-40, RPDA-40, RP-4A, RPDA-4A, RP-4An, and RPDA-4An series reduced pressure principle backflow preventers
Rank No. #14
Multipurpose Air Gap with 1/2-inch Quick Connect for Installation on a 1-1/2-inch Standpipe with PVC Trap Adapters (ET117-004, G-50QCP, DLA-G)
- ❤ SIMPLE INSTALLATION: The ET117-004 is designed for connecting discharge water tubing from any water discharge equipment to a drain line. Its 1/2-inch quick connect inlet accommodates a 1/2-inch OD poly tube, while its 1-1/2-inch OD outlet connects to a 1-1/2-inch standpipe drain. Included PVC adapters provide for a secure connection to the standpipe. The ET117-004 can be pressure fit or glued to a plastic standpipe.
- ❤ STANDPIPE CONNECTION: The ET117-004 has a 1-1/2-inch OD outlet that connects to a 1-1/2-inch standpipe. The air gap can adapt to different pipe materials and sizes with the use of additional adapters or couplers. The air gap’s flow capacity is 15 gallons/minute.
- ❤ DRY OPERATION: The ET117-004 is designed with a splash guard to assure a complete dry operation.
- ❤ CERTIFICATION: The ET117-004 is legal to install in any state. It is UPC (Uniform Plumbing Code) Listed, IPC (International Plumbing Code), and NSF (National Sanitation Foundation) tested. These certifications assure that every product is safe to use. The testing is conducted for every manufactured lot to ensure consistent performance.
Rank No. #15
Drain Line Adapter (DLA) with 3/8-inch Quick Connect Fitting for Reverse Osmosis filter (ET109-002, 9-38QC, DLA-9)
- ❤ SIMPLE INSTALLATION: The ET109-002 is designed for connecting reverse osmosis (RO) filter to the drain using standard plumbing fittings that meet code requirements nationwide. Its reverse osmosis 3/8-inch push-in connector fits a 3/8-inch OD RO poly tubing. Its flanged tailpiece replaces the disposal ell under the sink to connect to the garbage disposal. The ET109-001 resists clogging for lifelong usage.
- ❤ DRAIN LINE CONNECTION: The ET109-002 enables the connection of the RO water filter to the drain. Installing the ET109-002 is simple as it does not require drilling into wet pipes.
- ❤ QUIET OPERATION: The ET109-002 eliminates gurgling noise from RO system.
- ❤ DRY OPERATION: The ET109-002 has a locking clip for 3/8-inch quick connect to prevent leaks and accidental disconnection of the tube. The locking clip is fitted around the collet of the 3/8-inch quick connect push-in connector.
- ❤ CERTIFICATION: The ET109-002 is legal to install in any state. It is UPC (Uniform Plumbing Code) Listed, IPC (International Plumbing Code), NSF (National Sanitation Foundation) tested, and ASTM F 409 compliant. These certifications assure that ET109-002 is safe to use. The testing is conducted for every manufactured lot to ensure consistent performance.
Rank No. #16
Inline air gap with 1/4-inch FIP or 1/2-inch Thread Inlet and 5/8-inch Compression Fitting or 3/4-inch Thread Outlet. (AG150-001, 211211, GAP-A-FLO)
- ❤ EASY TO CONNECT: Gap-A-Flo air gap (AG150-001) has a 1/4-inch FIP or 1/2-inch MIP threaded inlet and 5/8-inch compression fitting OD outlet with 3/4-inch thread outlet connection. The inlet accommodates 1/4-inch FIP or 1/2-inch threaded PVC adapters, while the outlet can accommodate 3/8-inch FIP, 3/4-inch threaded PVC adapters, or 5/8 OD tubing. The convenient design of the AG150-001 allows it to be tilted at any angle down as low as 45 degrees.
- ❤ STANDPIPE CONNECTION: Gap-A-Flo air gap (AG150-001) is a gravity flow device and must have an outlet poly tubing feeding directly to a drain without kinks or bends. It can be oriented in any way between 45 degrees and vertical with inlet port elevated above the outlet port. To ensure easy wall mounting, a Jiffy Clip clamp is included with the air gap. The air gap outlet is tested at 15 gallons per minute, and recommended use is 7 gallons per minute.
- ❤ SPLASH PROTECTION: The AG150-001 air gap uses rotating splash guards to assure a completely dry operation. Splash guards are an integral part of the design and can be seen through the side air gap window. During water softener operation, an initial discharge surge can create splashing. Splash shield eliminates the possibility of water splashing outside of the air gap. When designing drainage for an air gap, makes sure that P-trap is located minimum 20-inches from the top of the standpipe.
- ❤ QUIET OPERATION: When water exits the air gap, depending on the design, it may flow directly into a P-trap. This can create splashing noise that may be objectionable. To avoid excessive noise, it is recommended to use 22 degrees elbow in line with standpipe to avoid direct drainage to P-trap. The pipe elbow should be located at least 12 inches from the air gap to eliminate splashback.
- ❤ CERTIFICATION: The AG150-001 is UPC (Uniform Plumbing Code) Listed, IPC (International Plumbing Code) and NSF (National Sanitation Foundation) tested. The testing is conducted for every manufactured lot to ensure consistent performance.
Rank No. #17
Starting From The Top
- Amazon Kindle Edition
- Hayes , Lane (Author)
- English (Publication Language)
- 314 Pages - 03/05/2021 (Publication Date) - Lane Hayes (Publisher)
Rank No. #18
Rank No. #19
Echoes of You (The Lost & Found Series)
- Cowles, Catherine (Author)
- English (Publication Language)
- 328 Pages - 03/21/2023 (Publication Date) - PageSmith LLC, The (Publisher)
Last update on 2023-08-03 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: Is an air gap necessary for a dishwasher?
A: An air gap is part of the necessary plumbing required when installing a dishwasher. In fact, local plumbing code typically requires a properly installed air gap for every dishwasher.
Q: What is a fixed air gap?
A: Fixed Proper Air Gap means the unobstructed vertical distance through the free atmosphere between the water discharge point and the flood level rim of the receptacle.
Q: What is a floor drain air gap?
A: An air gap is the most simple and effective means of preventing contamination of a potable water supply. Once potable water leaves the outlet of a fixture, it’s either used or sent down the drain.
Q: What is a water softener air gap?
A: When you install a water softener with a floor drain, an air gap for the discharge line is a important part of the job. The air gap keeps drinking water and waste or sewer water separate. More to the point: The air gap prevents the water softener’s discharge water from contaminating your fresh water supply.