Pentair TR100C Inlet Upper Piping Assembly (156344) zurnwilkins and this Jacuzzi 2 inch

and this Jacuzzi 2 inch Dial Valve Spring is designed for compatible applications where the original spring has weakened

With an 80-300 GPM range

and this Maytronics Dolphin version uses the 99954226-R1 reference

The Pentair C76-12 pump volute is designed for compatible D-Series cast iron pump applications where the main volute housing needs replacement

plumbing repairs

Pentair TR100C Inlet Upper Piping Assembly (156344) zurnwilkins and this Jacuzzi 2 inchThis genuine Pentair Pool Products inlet upper piping assembly, part 156344, is used inside compatible TR100C sand filter systems to route incoming water through the correct internal path. A properly fitted piping assembly is important for balanced distribution and dependable filter operation. Use this replacement when internal piping is cracked, damaged, or removed during a major filter rebuild. Match the TR100C model and connection layout before