The Best air gap fitting of 2022 – Reviews & Buying Guide
After hours researching and comparing all models on the market, we find out the Best air gap fitting of 2022. Check our ranking below.
2,563 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.
SaleRank No. #2
Plumb Pak PP855-69 Air Gap for Standpipes, Grey, FITS 1-1/2" AND 2" METAL OR PLASTIC 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 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
SaleRank No. #3
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. #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.
Rank No. #5
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.
Rank No. #8
Water Softener Air Gap for installation in Washing Machine box with 1-1/2-inch Drainpipe (GAP-IT, AG140-002)
- ♥ EASY TO CONNECT: The AG140-002 is a water softener air gap that is designed to share the drainpipe with a washing machine discharge tubing. It has a 1/2-inch OD inlet port that is designed to fit 1/2-inch schedule 40 PVC slip fitting with O-ring, and a 3/4-inch OD outlet. To ensure secure mounting on vertical wall or to back of outlet boxes, a wall bracket and four Phillips Pan Head Screws are provided. The AG140-002 allows space for washer drain hook or soft rubber or plastic washer hose.
- ♥ STANDPIPE CONNECTION: The AG140-002 comes with a 4-inch long, 7/8-inch ID flexible rubber hose that fits onto the air gap’s 3/4-inch OD outlet. It is designed to fit into recessed washing machine outlet boxes with 1-1/2-inches or 2 inches standpipe. The air gap is tested at 15 gallons per minute and recommended usage is 7 gallons per minute.
- ♥ SPLASH PROTECTION: The AG140-002 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. The AG140-002 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 AG140-002 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. #9
Drain Line Adapter (DLA) With 1/4-inch Quick Connect Fitting for a Water Filter and 7/8-inch Fitting for a Dishwasher (ET116-001, D-25QC, DLA-D)
- ❤ SIMPLE INSTALLATION: The ET116-001 is designed for connecting dishwasher and reverse osmosis (RO) filter to a garbage disposal line. Its dishwasher connector accommodates various inside diameter (ID) dishwasher hoses (1/2, 5/8, 3/4, or 7/8-inch). Its reverse osmosis 1/4-inch push-in connector fits 1/4-inch RO poly tubing. A hose coupler and clamps are provided for a secure connection to the garbage disposal inlet. The ET116-001 installation enables plumbing pipes to stay intact.
- ❤ DRAIN LINE CONNECTION: The ET116-001 enables the connection of the RO water filter to a garbage disposal with a dishwasher. Installing the ET116-001 is simple and allows bypassing the existing plumbing but with no pipes to undo.
- ❤ QUIET OPERATION: The ET116-001 is designed to eliminate most reject water noise. It is also equipped with a self-cleaning port.
- ❤ CERTIFICATION: The ET116-001 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 ET116-001 is safe to use. The testing is conducted for every manufactured lot to ensure consistent performance.
Rank No. #10
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.
Last update on 2023-05-05 / Affiliate links / Images from Amazon Product Advertising API
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- Brand Value: Every brand of air gap fitting has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an air gap fitting?
- Specifications: How powerful they are can be measured.
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- Customer Ratings: Number ratings grade air gap fitting objectively.
- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their air gap fitting.
- Product Quality: You don’t always get what you pay for with an air gap fitting, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an air gap fitting is should be an indication of how long it will work out for you.
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