Pentair TR100C Inlet Upper Piping Assembly (156344) zurnwilkins 1-1/4 inch hole size with

1-1/4 inch hole size with 1-1/2 inch face diameter

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

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

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

Pentair TR100C Inlet Upper Piping Assembly (156344) zurnwilkins 1-1/4 inch hole size withThis 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