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Will this prevent backflow?How do I install this?Is it universal fit?What is the warranty period?Does this come in chrome finish?

Dearborn 5/8-in x 7/8-in O.D. Polished Chrome Plastic Dishwasher Air Gap

Name: Dearborn 5/8-in x 7/8-in O.D. Polished Chrome Plastic Dishwasher Air Gap
Brand: Dearborn
SKU: 5004111479
Price: 12.98 USD
Availability: InStock
Rating: 4.2 (187 reviews)

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4.2

187

Manufacturer Color/Finish: Chrome

Pickup

Unavailable

Shipping

Tue, Oct 13

75 available

Delivery

Mon, Oct 12

16 available

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Dearborn Plastic Dishwasher Air Gaps are designed to prevent backflow and ensure proper dishwasher drainage, featuring a 5/8-in O.D. inlet and 7/8-in O.D. outlet for compatibility with standard dishwasher hoses. Their durable plastic bodies are complemented by decorative caps that seamlessly matching existing sink hardware for a cohesive kitchen aesthetic. Dearborn is known for providing superior quality and products designed with the plumber in mind.

Plastic dishwasher air gap
For use with dishwasher to prevent backflow
5/8-in inlet and 7/8-in outlet
Polished chrome top and plastic body

General
Color/Finish Family	Chrome	Material	Plastic
Finish	Chrome	Application	Dishwasher
Manufacturer Color/Finish	Chrome	Inlet Thread Type	Compression
Type	Air gap	Outlet Thread Type	Compression

Dimensions
Inlet Diameter	5/8-in

Features
Universal Fit	Yes

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -

Warranty
Warranty	1-year limited

Miscellaneous
UNSPSC	30181500

Check out the Best Selling Air Gaps on Lowes.com

Review

4.2 out of 5

187 Reviews

82% Recommend this product

Ratings may include incentivized customer reviews.

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What Customers Are Saying

Customers overwhelmingly praise this air gap for reliable backflow prevention and code compliance, with most highlighting straightforward installation and strong durability. Reviewers consistently note it performs its core safety function effectively, fits standard countertop openings without excessive force, and requires only basic plumbing hardware. Many find the polished chrome finish provides a clean, unobtrusive look appropriate for kitchens. The plastic construction beneath the finish is noted by a few, though not viewed as a major drawback. Overall, most consider it a dependable, practical solution that works as intended.

Customer review summary generated by AI, including incentivized reviews.

187 Customer Reviews

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Installed as a replacement

Would Recommend

Purchased to replace old one while installing the new dishwasher also purchased from Lowes along with new braided hot water line for all new set up.

AK TomJune 28, 2026
Verified Purchaser

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It is a perfect fit

Would Recommend

It fixed my dishwasher problem

BuddyMay 6, 2026
Verified Purchaser

Was this Review Helpful ?

good service, lower price

Would Recommend

good service, lower price

legend fallMay 1, 2026
Verified Purchaser

Was this Review Helpful ?

Basic Air Gap That Prevents Backflow

Would Recommend

The Dearborn 5/8-in x 7/8-in O.D. Polished Chrome Plastic Dishwasher Air Gap is a simple plumbing safety device designed to prevent contaminated water from siphoning back into the dishwasher. It performs a straightforward but important function in residential kitchen setups. The polished chrome finish gives it a cleaner appearance on the countertop, though the body itself is plastic underneath. Fit and assembly are uncomplicated, and it installs easily through standard countertop openings with ...

JamesApril 25, 2026
Verified Purchaser

Was this Review Helpful ?

Perfect fit

Would Recommend

Worked just as it should

DougApril 18, 2026
Verified Purchaser

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You will need some plumbing experience.

Would Recommend

It was easy to install.

T206February 11, 2026
Verified Purchaser

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COMPARE PRODUCTS

		Name	Current Item Dearborn5/8-in x 7/8-in O.D. Polished Chrome Plastic Dishwasher Air Gap
		Ratings	187
		Type	Air gap
		Material	Plastic
		Finish	Chrome
DearbornPlastic Air Admittance Valve with 1-1/2-in OD Connection	DancoPlastic Air gap	KrausMetal Air gap	Design HouseBrass Air gap	DancoPlastic Air gap	KrausMetal Air gap	KeeneyPlastic Air gap	BlancoAir Gap - Chrome	DeltaBrass Air gap
175	50	35	7	50	35	3		29
Air admittance valve	Air gap	Air gap	Air gap	Air gap	Air gap	Air gap	Air gap	Air gap
Plastic	Plastic	Metal	Brass	Plastic	Metal	Plastic	Stainless steel	Brass
Black plastic	Nickel	Stainless steel	Chrome	Chrome	Chrome	Gray	Chrome	Chrome