Swimming pool winter plug designed to protect plumbing and nozzles during cold weather Key benefits Prevents leaks and freeze damage by creating a secure seal that keeps expanding and freezing water from escaping and stressing pipes and nozzles. Threaded design for reliable engagement and easy installation and removal by hand or with standard tools. Durable construction for lasting use and a simple replacement for old or broken winter plugs. What it does This winter plug seals pool openings to prevent water movement that can lead to leaks and freezerelated damage in pipes and nozzles. The threaded design ensures a tight fit and straightforward removal when the pool is returned to service. Compatibility and size Threaded connection fits compatible threaded pool skimmer, line, or accessory openings. Verify matching thread size with your existing fittings before . Intended as a direct replacement for worn or damaged winter plugs on pools that use threaded winterization plugs. Material and performance Constructed from a durable material intended for longterm use in seasonal pool maintenance. Performs reliably as a simple mechanical barrier to prevent water from leaking out and freezing in plumbing components. Typical use scenarios Winterizing an inground or aboveground pool skimmer or line to prevent freeze damage over the off season. Replacing a cracked or missing winter plug found during pool maintenance or . Temporarily sealing a pipe or nozzle opening when removing equipment for cleaning or service. Simple, dependable, and designed for seasonal pool protection and easy replacement.