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

Waterway fittings meet industry standards

5″D x 30″H

Pentair 07017-0158 Hydro Relief Valve - 2in is a 2in hydro relief valve used in compatible Pentair filtration systems

and surrounding equipment area for corrosion

Install during gunite or renovation work and secure evenly within the pool wall structure

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