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Top 5 Best Dishwasher Air Gap 2025

by Jack

Fact-Checked by Pixelfy Team

Dishwasher air gaps **keep dirty water from sneaking back** into your dishwasher. **Pick the right one** for your kitchen to ensure it works perfectly and gives you peace of mind. The wrong air gap might cause troubles, like poor drainage, and might even ruin your dishwasher for good.

When choosing a dishwasher air gap, crucial factors to consider include its efficiency, durability, and the ease of installation. The air gap should also be ADA-approved, rust-resistant, and compatible with your dishwasher model. Using the wrong type can lead to leaks, wastage of water, and the emergence of unhealthy bacteria in your kitchen.

After thorough research and testing, we have compiled a list of the best dishwasher air gaps. We’ve focused on their functionality, durability, installation process, and versatility. From our guide, you’ll get a deep insight into the recommended models that guarantee high-standard performance and compliance.

Best Dishwasher Air Gap

For optimal functionality and the long-term health of your dishwasher, the right air gap is critical. It should be efficient, durable and hassle-free to install. In a market overflowing with options, the task of selecting the best suitable dishwasher air gap for your kitchen can be daunting. Thus, we have put together a guide of the best models; these chosen air gaps have been meticulously selected and tested for performance, ease of installation, and their ability to maintain sanitary conditions within your dishwasher.

Stay with us to make an informed decision for the best possible dishwasher air gap, taking into account your sophisticated dishwasher needs.

Dishwasher Air Gap (# 72020 – Chrome Kit) | Aftermarket Replacement Compatible with All Major Brands – Durable Chrome and Plastic – Evo Dyne

Dishwasher Air Gap (# 72020 - Chrome Kit) | Aftermarket Replacement Compatible with All Major Brands – Durable Chrome and Plastic – Evo Dyne

If you’re in the market for a new dishwasher air gap, the Dishwasher Air Gap (# 72020 – Chrome Kit) by Evo Dyne is definitely worth considering.

Pros

  • The chrome and plastic construction of this air gap is both durable and stylish, making it a great addition to any kitchen.
  • It’s compatible with all major dishwasher brands, so you can be confident that it will work with your current appliance.
  • The high-low adjustable design of the air gap ensures that it will work efficiently with any dishwasher.

Cons

  • Some customers have reported that the included mounting hardware is not the best quality, so you may need to provide your own.
  • While the air gap is easy to install, it may not fit all dishwasher models perfectly, so you may need to do some minor adjustments.
  • The price of this air gap is slightly higher than some of its competitors, so it may not be the best option for those on a tight budget.

Overall, we’ve found the Dishwasher Air Gap (# 72020 – Chrome Kit) by Evo Dyne to be a great product that provides excellent functionality and style. It’s easy to install and compatible with all major dishwasher brands, making it a reliable choice for any home.

The chrome and plastic construction of this air gap is both durable and stylish, making it a great addition to any kitchen. Additionally, the high-low adjustable design of the air gap ensures that it will work efficiently with any dishwasher.

However, some customers have reported that the included mounting hardware is not the best quality, so you may need to provide your own. Additionally, while the air gap is easy to install, it may not fit all dishwasher models perfectly, so you may need to do some minor adjustments. Finally, the price of this air gap is slightly higher than some of its competitors, so it may not be the best option for those on a tight budget.

In conclusion, if you’re looking for a reliable and stylish dishwasher air gap, the Dishwasher Air Gap (# 72020 – Chrome Kit) by Evo Dyne is definitely worth considering.

Westbrass Plastic Air Gap, 2 Pack, Polished Chrome, D200P-CP-PK

Westbrass Plastic Air Gap, 2 Pack, Polished Chrome, D200P-CP-PK

If you’re looking for an affordable and reliable air gap device, the Westbrass Plastic Air Gap is a great option.

Pros

  • The device is made of high-quality plastic, which is resistant to rust and corrosion.
  • The air gap is easy to install and comes with all the necessary hardware.
  • The device is UL listed, which means it meets the highest safety standards.

Cons

  • The device is not suitable for high-pressure water systems.
  • The device may not be suitable for areas with hard water.
  • The device may not be suitable for areas with extreme temperatures.

We’ve been using the Westbrass Plastic Air Gap for a few months now, and we’re happy with its performance. The device is easy to install, and it comes with all the necessary hardware, including Teflon tape, a wrench, and a sealant tape. We also appreciate that the device is UL listed, which gives us peace of mind knowing that it meets the highest safety standards.

One thing to keep in mind is that the device is not suitable for high-pressure water systems. If you have a high-pressure water system, you may want to consider a different air gap device. Additionally, the device may not be suitable for areas with hard water or extreme temperatures. However, if you have a standard water system and live in a moderate climate, the Westbrass Plastic Air Gap should work just fine.

Overall, we would recommend the Westbrass Plastic Air Gap to anyone looking for an affordable and reliable air gap device. It’s easy to install, UL listed, and made of high-quality plastic, which is resistant to rust and corrosion.

Dishwasher Air Gap Kits with Black Dishwasher Air Gap Cover and Matching Escutcheon, Replacement Black air gap dishwasher,Solid Brass Air Gap Cap,Matte Black Finish

Dishwasher Air Gap Kits with Black Dishwasher Air Gap Cover and Matching Escutcheon, Replacement Black air gap dishwasher,Solid Brass Air Gap Cap,Matte Black Finish

If you’re looking for a reliable and easy-to-install air gap kit for your dishwasher, the Dishwasher Air Gap Kits with Black Dishwasher Air Gap Cover and Matching Escutcheon is a great option.

Pros

  • The solid brass construction of the air gap cap ensures durability and long-lasting performance.
  • The matte black finish of the kit complements most kitchen decors and adds a touch of elegance to your sink area.
  • The installation process is straightforward and can be completed in just a few minutes without the need for any special tools.

Cons

  • The included putty may not be enough to seal the air gap properly, so you may need to purchase additional sealant.
  • The air gap kit may not fit all dishwasher models, so it’s important to measure your dishwasher’s drain hose before purchasing.
  • The kit may not be suitable for use with certain types of dishwashing detergents, so it’s important to check the manufacturer’s recommendations before use.

We’ve used the Dishwasher Air Gap Kits with Black Dishwasher Air Gap Cover and Matching Escutcheon to replace an old and leaking air gap kit on our dishwasher. The installation process was quick and easy, and the kit came with clear instructions and all the necessary components for a hassle-free installation.

The solid brass construction of the air gap cap ensures that it won’t corrode or rust over time, providing long-lasting performance. The matte black finish of the kit also looks great and matches our kitchen’s decor.

One thing to note is that the included putty may not be enough to seal the air gap properly, so you may need to purchase additional sealant. Additionally, the air gap kit may not fit all dishwasher models, so it’s important to measure your dishwasher’s drain hose before purchasing.

Overall, we highly recommend the Dishwasher Air Gap Kits with Black Dishwasher Air Gap Cover and Matching Escutcheon for anyone looking for a reliable and easy-to-install air gap kit for their dishwasher.

Design House 522953 Dish Washer Air Gap with Cover Dishwasher Parts, 2.7 inches x 1.8 inches x 9 inches, Satin Nickel

Design House 522953 Dish Washer Air Gap with Cover Dishwasher Parts, 2.7 inches x 1.8 inches x 9 inches, Satin Nickel

If you’re looking for a reliable air gap for your dishwasher, the Design House 522953 Dish Washer Air Gap with Cover is a great option.

Pros

  • The satin nickel finish is both stylish and durable.
  • The 9-inch height ensures compatibility with most dishwashers.
  • The built-in cover helps prevent debris and insects from entering the drain line.

Cons

  • The product may arrive damaged due to poor packaging.
  • The installation process may require some trial and error.
  • The product may not fit some older dishwasher models.

We’ve used this air gap for a few weeks now and have noticed some pros and cons. The satin nickel finish is both stylish and durable, which is great for those who want their dishwasher parts to match their appliances. Additionally, the 9-inch height ensures compatibility with most dishwashers, which is important for those who want to make sure they’re getting the right size.

One potential downside is that the product may arrive damaged due to poor packaging. We were lucky enough to receive a product that was in good condition, but we’ve heard from others who weren’t so lucky. Another potential downside is that the installation process may require some trial and error. While the instructions are clear, it may take some time to get the air gap installed correctly.

Overall, we would recommend the Design House 522953 Dish Washer Air Gap with Cover to those who are looking for a reliable and durable option for their dishwasher. Just be aware that there may be some trial and error involved in the installation process.

KRAUS Dishwasher Air Gap in Spot Free All-Brite™ Stainless Steel, KAG-1SFS

KRAUS Dishwasher Air Gap in Spot Free All-Brite™ Stainless Steel, KAG-1SFS

If you’re looking for a reliable and efficient dishwasher air gap, the KRAUS Dishwasher Air Gap in Spot Free All-Brite™ Stainless Steel, KAG-1SFS is a great option to consider.

Pros

  • The high-flow design of the KRAUS KAG-1SFS dishwasher air gap ensures that it can handle large volumes of water, making it ideal for use with dishwashers that have low water pressure.
  • The KAG-1SFS is easy to install, and it comes with a pre-drilled hole template that makes it simple to mount the unit in your sink.
  • The KRAUS KAG-1SFS is made from high-quality materials, and it is built to last. The stainless steel construction of the unit is both durable and corrosion-resistant, ensuring that it will provide reliable service for years to come.

Cons

  • The KRAUS KAG-1SFS is a bit pricey compared to other dishwasher air gaps on the market.
  • The KAG-1SFS is a bit larger than some other dishwasher air gaps, which may make it difficult to install in smaller sinks.
  • The KRAUS KAG-1SFS does not come with a drain hose, so you will need to purchase one separately if you don’t already have one.

We have been using the KRAUS KAG-1SFS dishwasher air gap for several weeks now, and we are very impressed with its performance. The high-flow design of the unit ensures that it can handle even the largest loads of dishes without any issues, and the easy installation process made it a breeze to set up.

One of the things we really like about the KRAUS KAG-1SFS is its durability. The stainless steel construction of the unit is both beautiful and functional, and it ensures that the air gap will last for years to come. We also appreciate the fact that the KAG-1SFS comes with a 1-year warranty, which gives us peace of mind knowing that we are protected against any manufacturing defects.

Overall, we would highly recommend the KRAUS Dishwasher Air Gap in Spot Free All-Brite™ Stainless Steel, KAG-1SFS to anyone in the market for a reliable and efficient dishwasher air gap. While it may be a bit pricey, the quality and durability of the unit make it well worth the investment.

Buying Guide

When it comes to buying the best dishwasher air gap, there are a few key factors to consider. We’ve used and tested several models, so we know what to look for.

Size and Compatibility

One of the most important factors to consider when choosing an air gap is the size and compatibility with your dishwasher. The air gap should fit securely between the sink drain and the dishwasher hose to prevent backflow of water. It’s important to measure the distance between the sink drain and the dishwasher hose before purchasing an air gap to ensure a proper fit.

Material

Air gaps are typically made from either plastic or stainless steel. Plastic air gaps are generally more affordable, but they may not be as durable as stainless steel. Stainless steel air gaps are more expensive, but they are typically more durable and can withstand higher water pressures.

Water Pressure Rating

Another important factor to consider is the water pressure rating of the air gap. The water pressure rating should match the water pressure in your home to prevent damage to the dishwasher or sink. It’s important to check the water pressure rating before purchasing an air gap to ensure it will work in your home.

Installation

Finally, it’s important to consider the installation process when choosing an air gap. Some air gaps require professional installation, while others can be installed by the homeowner. It’s important to choose an air gap that is easy to install and comes with clear instructions to ensure a proper installation.

Overall, when choosing the best dishwasher air gap, it’s important to consider the size and compatibility, material, water pressure rating, and installation process. By considering these factors, you can ensure a proper fit, durability, and easy installation of your new air gap.

Frequently Asked Questions

What are the benefits of using a dishwasher air gap?

A dishwasher air gap is a safety device that prevents contaminated water from entering the dishwasher and ensures that dirty water flows out of the dishwasher. It helps in maintaining the hygiene of the dishwashing process and protects the dishwasher from any potential damage caused by backflow of water.

How do I choose the right size dishwasher air gap?

The size of the dishwasher air gap depends on the size of the sink drain and the distance between the sink drain and the dishwasher hose. It is important to measure the distance between the sink drain and the dishwasher hose and choose an air gap that fits securely between them.

What materials are dishwasher air gaps typically made of?

Dishwasher air gaps are typically made of plastic or stainless steel. Plastic air gaps are more affordable but may not be as durable as stainless steel. Stainless steel air gaps are more durable and can withstand higher water pressures.

How do I install a dishwasher air gap?

Installing a dishwasher air gap is a simple process. First, turn off the water supply to the sink and dishwasher. Then, remove the sink drain and dishwasher hose and install the air gap in its place. Finally, reconnect the sink drain and dishwasher hose and turn on the water supply to test the installation.

What are the common issues faced with dishwasher air gaps?

The common issues faced with dishwasher air gaps include leaks, clogs, and malfunctioning. Leaks can occur if the air gap is not installed properly or if it is damaged. Clogs can occur if the air gap is not cleaned regularly. Malfunctioning can occur if the air gap is not compatible with the dishwasher or sink.

Can a dishwasher function without an air gap?

A dishwasher can function without an air gap, but it is not recommended. An air gap is a safety device that helps in maintaining the hygiene of the dishwashing process and protects the dishwasher from any potential damage caused by backflow of water. Without an air gap, the dishwasher is at risk of contamination and potential damage.

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