Air Gaps for Dishwasher and Disposal Installation, White Body, Plastic, Chrome Cap

EZ-Flo 60421 Dishwasher Air Gap – Prevents Wastewater Backflow into Dishwashers

The EZ-Flo 60421 dishwasher air gap is designed to prevent contaminated water from siphoning back into a dishwasher during the drain cycle. This device provides an essential physical separation between the dishwasher drain line and the household plumbing system, in compliance with most plumbing codes.

With a total height of 6-7/8 inches, this air gap is compatible with standard sink openings and installs easily between the dishwasher drain hose and the disposal or drain line. It serves as a backflow prevention device, typically required in kitchen installations where local plumbing regulations mandate an air break.

Key Features

• ✔ Code-Compliant Backflow Protection – Meets plumbing code requirements for dishwasher installations
• ✔ Standard Size – 6-7/8 inches in height to fit most countertop openings
• ✔ Multiple Hose Connections – Connects dishwasher drain hose and disposal or tailpiece drain line
• ✔ Durable Materials – Engineered for long-term service in kitchen environments

Technical Specifications

• Product Type: Dishwasher air gap
• Height: 6-7/8 inches
• Inlet/Outlet Size: Accepts standard dishwasher and drain hose connections
• Material: Polymer body with threaded cap
• Application: Dishwasher to disposal or sink tailpiece

Installation Guidance

Installation requires a hole in the sink deck or countertop and access to the dishwasher and drain line. The air gap is typically mounted above the sink and secured with a locknut beneath the deck. A qualified plumbing technician should perform the installation to ensure proper hose routing, secure clamping, and code compliance.

Professional Use Case

The EZ-Flo 60421 is suitable for residential kitchen remodels and new construction. It offers dependable protection against backflow, making it an essential part of any code-compliant dishwasher installation. Its standard sizing and connection layout streamline installation in both retrofit and original build scenarios.