Hayward S311 Lateral Assembly with Bottom Vertical Pipe (SX311DAS) claytonlambert A control pack like this

A control pack like this can improve the daily experience of the spa in a broad way because so many functions depend on it

making it one of the most important performance-related parts in the assembly

Designed for compatible Sta-Rite U-3 skimmers

renovation work

This type of part is especially useful when the original latching air switch has failed

Hayward S311 Lateral Assembly with Bottom Vertical Pipe (SX311DAS) claytonlambert A control pack like thisThe Hayward S311 Lateral Assembly with Bottom Vertical Pipe is a replacement internal filter assembly for compatible Hayward sand filters. The lateral assembly helps distribute water through the filter media and prevents sand from returning to the pool when the internal components are functioning correctly. Replace this assembly when laterals are cracked, damaged, or allowing filter sand to bypass into the pool. Confirm the filter model and internal