What To Know
- A dishwasher high loop is a section of the dishwasher drain hose that is looped up high, typically to a height of 30-36 inches above the floor.
- In addition to the advantages and disadvantages listed above, there are a few other factors to consider when choosing between a dishwasher high loop and an air gap.
- A dishwasher high loop or air gap is a device that prevents water from flowing back into the dishwasher from the drain.
When installing a dishwasher, you’ll come across two options for preventing backflow: a dishwasher high loop or an air gap. Both methods are effective, but they have their own advantages and disadvantages. In this blog post, we’ll compare dishwasher high loops and air gaps to help you decide which one is best for your kitchen.
What Is a Dishwasher High Loop?
A dishwasher high loop is a section of the dishwasher drain hose that is looped up high, typically to a height of 30-36 inches above the floor. The purpose of the high loop is to create a trap that prevents water from flowing back into the dishwasher from the drain.
What Is an Air Gap?
An air gap is a device that is installed between the dishwasher drain hose and the sink drain. It creates a physical separation between the two drains, preventing water from flowing back into the dishwasher from the sink.
Dishwasher High Loop vs Air Gap: Advantages and Disadvantages
Dishwasher High Loop
Advantages:
- Simple and inexpensive to install
- Does not require any additional plumbing fixtures
- Can be used with any type of dishwasher
Disadvantages:
- Can be unsightly
- Can take up space under the sink
- May not be effective in preventing backflow if the loop is not high enough
Air Gap
Advantages:
- More aesthetically pleasing than a high loop
- Does not take up any space under the sink
- More effective in preventing backflow
Disadvantages:
- More expensive to install than a high loop
- Requires additional plumbing fixtures
- May not be compatible with all types of dishwashers
Which Is Right for You?
The best way to decide which type of backflow preventer is right for you is to consider your individual needs and preferences. If you’re looking for a simple and inexpensive solution, a dishwasher high loop is a good option. If you’re more concerned about aesthetics and effectiveness, an air gap is a better choice.
Other Factors to Consider
In addition to the advantages and disadvantages listed above, there are a few other factors to consider when choosing between a dishwasher high loop and an air gap:
- Local building codes: Some local building codes require the use of an air gap.
- Type of dishwasher: Some dishwashers are not compatible with air gaps.
- Space under the sink: If you have limited space under the sink, a high loop may be a better option.
Installation
Both dishwasher high loops and air gaps are relatively easy to install. However, it’s always best to consult with a qualified plumber to ensure that the installation is done correctly.
Basics You Wanted To Know
What is the purpose of a dishwasher high loop or air gap?
A dishwasher high loop or air gap is a device that prevents water from flowing back into the dishwasher from the drain. This is important because backflow can contaminate the dishwasher and its contents.
Which is better, a dishwasher high loop or an air gap?
Both dishwasher high loops and air gaps are effective in preventing backflow. However, air gaps are more aesthetically pleasing and more effective than high loops.
Can I install a dishwasher high loop or air gap myself?
Yes, you can install a dishwasher high loop or air gap yourself. However, it’s always best to consult with a qualified plumber to ensure that the installation is done correctly.
