Works great, it's a Haywood.
It can control anexternal Hayward Aqua Rite or Hayward chlorinator.
Built-in electrical subpanel (HPC Models only)
Cost-effective, entry-level control and automation for single bodies of water
Comes equipped with 4 high-voltage relays, 3 valves, 1 heater and solar
On-board control and diagnostics displays time, day, water and air temperatures, and all control functions
Intuitive programming and easy-to-read large digital display allows you to set up the controller in minutes
Manages energy saving 2-speed or variable speed pumps (California Title 20 compliant) and other backyard functions to maximize energy savings
LED light on/off control