Pentair 1.5" MultiPort Side Mount Valve Plug

The Pentair 1.5" Multiport Side-Mount Valve Plug (Product #: 14971-SM10E11 / 14962-0016) is a factory-original OEM threaded replacement hardware component engineered to seal accessory ports or winterization openings on heavy-duty pool and spa backwash manifolds. Designed specifically for the high-capacity, side-mounted 1.5-inch and 2-inch ABS multiport valves used across Sta-Rite® and Pentair System:2™ or System:3® modular diatomaceous earth (D.E.) and sand filter lines, this plug provides an airtight mechanical seal to block pressurized water from weeping or escaping the valve body housing. Precision injection-molded from a premium, thick-walled engineering polymer composite, the plug features deep external threads that lock securely into the matching female plumbing port, completely eliminating external leaks or catastrophic suction-side air induction under system operating lines up to 50 PSI. The rugged plastic matrix delivers complete immunity to harsh sanitizing chemistry, advanced oxidation from salt-chlorine generation, and seasonal pump room thermal friction without stripping, distorting, or bonding over time. The physical dry product weight of this single Pentair 1.5" Multiport Side-Mount Valve Plug is approximately 0.80 pounds (roughly 12.80 ounces, with a nominal boxed shipping weight of up to 1.00 pound depending on the inclusion of custom retail bubble packaging), providing pool technicians and DIY homeowners with a lightweight, long-lasting, and highly durable internal pressure safeguard for pristine fluid management.