Hayward S311 Lateral Assembly with Bottom Vertical Pipe (SX311DAS) checkvalves Supports cleaner spa operation

Supports cleaner spa operation

This replacement is especially useful when the original foam roller is worn

Useful for correcting output loss from internal wear

wiring integrity

Hayward S311 Lateral Assembly with Bottom Vertical Pipe (SX311DAS) checkvalves Supports cleaner spa operationThe 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