What This Part Is Used For The Pentair R22011 2in Polyurethane Winterizing Threaded Plug is used to seal plumbing lines during winterizing. It threads into compatible 2in ports to block water entry. Why This Part Matters Proper winterizing prevents freeze damage to plumbing lines. A cracked or loose plug can allow water intrusion and cause pipe failure. Replacing worn plugs helps protect equipment during cold weather shutdowns. Key Features and Specifications Pentair manufacturer part number: R22011 2in threaded plug Polyurethane construction For winterizing plumbing lines Replacement plug only Installation and Fitment Guidance Ensure lines are fully drained before installing plug. Hand tighten securely to create a proper seal. Confirm by manufacturer part number before ordering. About the Pentair Brand Pentair manufactures plumbing and maintenance accessories for pool systems. Their winterizing components are widely used by service technicians. Pentair parts help protect systems during off-season shutdowns. Common Service Context Winterizing plugs are commonly installed during seasonal pool closings. They are frequently replaced when threads become worn or damaged.
