Hayward Replacement Lateral Assembly for Pro Series Sand Filters W3S210S W3S310S | SX242MA

The Hayward Replacement Lateral Assembly (SX242MA) is the OEM lateral assembly for Hayward Pro Series side-mount sand filters, designed as a replacement for the S210S and S310S filter vessels. What It Does The lateral assembly sits at the base of the sand filter tank and distributes water evenly through the filter media during the filtration cycle, while preventing sand from passing into the return line. Replacing a damaged or worn lateral assembly restores proper flow distribution and keeps sand contained within the tank. Specifications Hayward Part Number SX242MA UPC 610377668125 Fits Into Brand Equipment Line Model / Part Number Notes Hayward Pro Series 21" Sand Filter – Side Mount W3S210S Position v1 #11 Hayward Pro Series 30" Sand Filter – Side Mount W3S310S Position v1 #11 Compatibility is based on Hayward parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment's manual or on the original part itself before ordering. Poolaroo Pro Tip Before installing the new lateral assembly, flush the filter tank thoroughly to remove any fine sand or debris that could clog the laterals on first start-up. Inspect the manifold hub and standpipe O-rings while the tank is open — replacing worn seals at the same time prevents a second disassembly.