Pentair Flange Valve Adapter, 8.5", 6 TPI | 154521 Patio Sale Waterway fittings meet industry standards

Waterway fittings meet industry standards

Sturdy Construction: Ensures long-lasting durability and performance

Supports consistent flow by maintaining a clear inlet path

Upgrading to compatible SDX2 components maintains system compliance and performance

Pentair Flange Valve Adapter, 8.5", 6 TPI | 154521 Patio Sale Waterway fittings meet industry standardsWhat This Part Is Used For Pentair 154521 Flange Valve Adapter 8. 5in, 6 TPI is a replacement adapter used to connect compatible Pentair multiport or control valves to filter tanks. It provides the threaded interface between valve and tank flange. Why This Part Matters A damaged or stripped adapter can cause leaks at the valve connection point. Replacing it restores a secure seal and proper valve alignment. This helps prevent water loss and pressure