Technical Products #10 Winter Plug 1.5" w/Blowout Valve SP210V Keep your pool’s plumbing secure during the off-season with the #10 Winter Plug 1.5" featuring a convenient blowout valve. This versatile plug delivers a tight, dependable seal for 1-1/2" PVC fittings while allowing easy air insertion to clear lines and prevent costly freeze damage. Key Features and Benefits: Fits snugly into 1-1/2 inch PVC fittings for a watertight seal Integrated blow-through valve allows compressed air insertion to clear plumbing lines Ideal for winterizing inground pool plumbing systems and pressure testing lines Prevents water from re-entering pipes, reducing the risk of freeze-related damage Durable rubber and corrosion-resistant metal components for long-lasting use Large, easy-grip wing nut design ensures a secure, leak-free fit Functions similarly to a standard bike tire valve for simple air connection Specifications: Model: SP210V Plug Size: #10 (1.5 inch fitting) Type: Open stem winter plug with blowout valve Material: Heavy-duty rubber with corrosion-resistant hardware Application: Pool line sealing, blowout, and pressure testing