Customer Questions and Answers for Vacuum Break Assembly by Whirlpool

This vacuum break assembly is the dishwasher's anti-siphon device in the fill system. It creates an air gap that prevents dirty water from backflowing into the water supply, helping protect your plumbing and maintain proper fill performance.

• Provides an air gap in the fill path to stop siphoning/backflow from the tub into the household supply
• Helps the dishwasher fill correctly without unintended siphon action
• Common failure symptoms: leaks from the side of the cabinet during fill, water returning to the tub after a drain, or a cracked/brittle housing

• Disconnect power and turn off the water supply before servicing
• Remove access panels to reach the vacuum break (location varies by model)
• Transfer hoses and clamps to the new assembly in the same orientation; ensure all seals seat fully
• Restore water and power, then run a short cycle to check for leaks