Hayward Plastic Threaded Winter Plug w/ O-Ring for 1-1/2" Fitting | SP1022C The Hayward SP1022C 1.5" MPT White Plug with O-Ring is an essential accessory for winterizing your pool and protecting it from harsh winter conditions. Expertly engineered for a secure fit, this plug effectively seals wall inlets and outlets, safeguarding your plumbing from freezing damage. Key Features: Robust Construction: Crafted from high-quality white plastic for exceptional durability and long-lasting performance. Leak Prevention: Equipped with a built-in O-ring gasket that provides a tight, watertight seal, preventing leaks and ensuring maximum protection. Simple Installation: Features male pipe thread (MPT) connections for quick, tool-free installation and removal. Versatile Application: Perfect for plugging return lines and plumbing connections in both above-ground and in-ground pools during winterization. Freeze Protection: Helps prevent costly freezing damage to your pool’s plumbing system. Ensure your pool’s plumbing stays safe and secure all winter long with the Hayward SP1022C Winter Plug — a reliable solution for effective pool winterization. SKU: SP1022C