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

You do not have to adapt to a different layout or second-guess which button does what

and mounting requirements before purchase

plumbing repairs

A check valve is useful because it helps prevent reverse flow in the system

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