Pentair Sta-Rite CristalFlo II SD40 19" Standpipe Assembly (152228) pumps The Hayward Aqua Logic P-4

The Hayward Aqua Logic P-4 digital topside is designed for compatible control-system applications where a dedicated user interface panel is needed

Biguanide-resistant trap lid for compatible pumps

or restoration work when the existing waterfall component is damaged

This assembly has practical value because a damaged side plate can affect housing integrity

Pentair Sta-Rite CristalFlo II SD40 19" Standpipe Assembly (152228) pumps The Hayward Aqua Logic P-4Keep a CristalFlo II SD40 sand filter operating correctly with this 19" standpipe assembly. The standpipe is a core internal component that works with the laterals and valve to route filtered water out of the tank while keeping sand in place. It is a practical replacement during filter rebuilds, sand changes, or repairs after internal breakage. Installing the correct standpipe helps prevent poor circulation, sand return, and reassembly problems that