Hayward Salt & Swim Pro Control Unit 30K Gal (W3SAS-PRO) airbuttons and this Darlly Filtration 2-pack

and this Darlly Filtration 2-pack is designed for compatible applications using the 40352-2PK reference

Matching the correct 115V and 1-minute timer design helps preserve intended control performance

and debris pickup can work as intended

Center pipe assembly with laterals for compatible Hayward S220 filters

or completing a chemical feeder repair

Hayward Salt & Swim Pro Control Unit 30K Gal (W3SAS-PRO) airbuttons and this Darlly Filtration 2-packFor pools up to 30,000 gallons, the Hayward Salt & Swim Pro control unit provides the core control platform for compatible salt chlorination setups. This unit helps manage chlorine production from saltwater, giving pool owners a cleaner alternative to frequent manual chlorine dosing when paired with the proper system components. Part W3SAS PRO is designed for Salt & Swim Pro installations and should be selected according to pool size, plumbing