Pool Winterizing and Drain Plug Expansionstyle skimmer and plumbing plug for pool water drainage and winterizing Why you need this plug Protects pool plumbing and equipment during winterizing and maintenance by creating a reliable seal in skimmers, drains, and plumbing openings. Simplifies seasonal shut down and work by blocking water flow into lines and preventing unwanted backflow or entry of debris. Designed for easy installation and removal so you can complete winterizing or repairs without professional tools. Key benefits and problem solving Secure seal for peace of mind: Expansionstyle design forms a tight fit inside the opening to reduce leaks and keep lines dry during offseason storage or work. Saves time and effort: Fast to install and remove, enabling DIY winterizing, plumbing repairs, and maintenance without lengthy downtime. Reduces risk of freeze damage: By blocking water in exposed plumbing and skimmers, the plug helps minimize the chance of icerelated cracks and costly repairs. Versatile use: Works for pool skimmers, main drains, and exposed plumbing during liner replacement, pump servicing, or seasonal closure. Features and important attributes Function: Acts as a drain plug, skimmer plug, plumbing plug, and expansion plug for winterizing and drainage tasks. Compatibility: Suitable for standard pool skimmer and drain openings and common pool plumbing lines. Check your opening size before to confirm fit. Design: Expansionstyle mechanism creates pressure against the inside wall of the opening for a secure hold during winterizing and maintenance. Performance: Provides reliable temporary sealing and water blockage for maintenance, winterization, and tasks. Ease of use: Designed for tool installation and removal in most installations. Typical use scenarios Winterizing a residential pool: Install the plug in the skimmer and exposed plumbing lines to keep them dry while the pool is winterized and the temperature drops. Pump or plumbing repairs: Insert the plug to isolate sections of plumbing while replacing a pump, cartridge, or valve, allowing safer and cleaner work. Liner replacement or remodeling: Block water flow through skimmers and drains during liner removal or structural repairs to prevent contamination and ease the process. What to check before buying Measure the internal diameter of the skimmer or drain opening to ensure compatibility with an expansionstyle plug. Confirm the plug style suits your plumbing configuration and the application you plan, such as winterizing or temporary isolation for repairs. Neutral, dependable performance for seasonal pool care and maintenance. Designed to simplify winterizing, plumbing isolation, and drainage tasks while delivering a secure temporary seal when you need it.