Pentair Black Spider Gasket for 2" MultiPort Valve

Pentair 2" Multiport Valve Black Diverter Spider Gasket (271148 / 271148Z)

The Pentair 2-inch Multiport Valve Black Diverter Spider Gasket (Product #: 271148 / 271148Z) is a vital, factory-original OEM sealing component engineered to manage precise internal water routing inside Pentair, PacFab, and Praher 2-inch side-mount and top-mount multiport backwash valves. Specifically utilized across high-capacity equipment lines—such as Triton® II sand filters and Quad D.E.® separation systems—this critical gasket features a flat, spoke-like web design containing five specialized sealing sections radiating from a central stabilization ring. Custom-molded to fit flush inside the precision grooves of the lower valve body, it forms an absolute hydraulic barrier between isolated flow chambers.

When a pool owner or technician depresses and turns the valve's upper handle, the internal diverter presses firmly down onto this rubber matrix, sealing off inactive paths while directing the pool's water stream exclusively into the active cycle, whether it is Filter, Backwash, Rinse, Waste, Closed, or Recirculate. Molded from a high-density, premium black neoprene rubber compound, the component delivers exceptional compression memory, ozone resistance, and structural elasticity. This ensures the gasket can withstand continuous exposure to high chlorine concentrations, heavy mineral scaling, and the intense mechanical abrasion of a shifting diverter without tearing, twisting, or stretching out of its channels.

Replacing a degraded spider gasket is a core maintenance task that instantly corrects common pump room issues, such as filtered water continuously weeping out through the waste lines, or unfiltered debris bypassing the tank media and blowing right back into the pool. Engineered to handle continuous pool circulation pressures up to 50 PSI and extreme summer pump room temperatures, this part ensures the equipment pad maintains peak hydraulic efficiency. The physical dry product weight of this single Pentair 2-inch black spider gasket is approximately 0.12 pounds (roughly 1.92 ounces, with an overall outer diameter of approximately 5.6 inches and a nominal packaged shipping weight of about 0.20 pounds), providing professionals and DIY homeowners with an essential, durable, and highly precise solution for pristine pool water sanitation networks.