Hayward SP1085 Gasket Set of 2 for Auto-Skim Wide Track Square Skimmers | SPX1085DPAK2 Sand Filters confirm the part number stamped

confirm the part number stamped or molded on your existing bypass assembly matches 475621

retain it as a spare

and develop leaks over time

Have a licensed pool professional inspect the surrounding plumbing connections and O-rings while the heater is open — replacing worn seals at the same service visit prevents a return trip

and cold cracking

Hayward SP1085 Gasket Set of 2 for Auto-Skim Wide Track Square Skimmers | SPX1085DPAK2 Sand Filters confirm the part number stampedThe Hayward SP1085 Gasket (SPX1085DPAK2) is the OEM replacement gasket for the Auto Skim Wide Track Square Skimmer line, sold as a set of 2 gaskets. These gaskets form a watertight seal at the skimmer body connections, preventing leaks at the skimmer to wall interface and maintaining proper suction performance. Replacing worn or compressed gaskets is a straightforward maintenance step that restores a secure, leak free fit. Specifications Hayward Part