“Does this dishwasher need to have an air gap—one that vents out at the sink. Or is there a check valve already in place to ensure no back flow of dirty water?”
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Yes, an air gap is recommended for proper installation. There is not a check valve. For further assistance, please reach out to our support team via private message on Facebook @LGUSSupport and use #VOC in your first message to our social media support team or call at 800-243-0000. ^Daphane
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