Hayward S311 Lateral Assembly with Bottom Vertical Pipe (SX311DAS) checkvalves Designed for compatible 2 inch

Designed for compatible 2 inch threaded-style lid applications

This type of component is especially useful when the existing system architecture separates heat recovery control from heater hardware or when only the control section requires replacement

Supports cleaner spa operation

This valve O-ring kit includes the replacement seals needed for compatible Pentair valve service

Hayward S311 Lateral Assembly with Bottom Vertical Pipe (SX311DAS) checkvalves Designed for compatible 2 inchThe 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