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The Stero Dishwasher 0P-621918 Backflow Preventer is a genuine OEM replacement part. A backflow preventer allows water to flow in one direction, preventing potable drinking water from contamination due to backflow. Plumbing codes mandate that potable water supplies be protected against backflow at all cross-connections.
This backflow preventer ensures proper operation and safeguards your kitchen from unexpected hazards and downtime.
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