Technical Products Winter Plug [#15 3.86" OD 4"] (#15)

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The Technical Products winter plug is designed for compatible winterization applications where a temporary seal is needed for 4 inch plumbing openings. A winter plug is useful beca use it helps isolate the plumbing line during seasonal shutdown, supporting cleaner maintenance work and more dependable off-season care.This replacement is especially useful when the original plug is worn, damaged, leaking, or missing. Matching the correct #15 size with 3.86 inch outside diameter helps preserve intended fit and restore dependable sealing support during winterizing procedures.The #15 is a practical service item when a compatible plumbing setup needs a winter plug to restore secure seasonal line closure. Technical Products winter plug #15 size with 3.86 inch outside diameter Designed for 4 inch plumbing winterization applications Useful when the original plug is damaged or missing Supports cleaner and more dependable seasonal sealing Show more