Hayward AquaRite 25K Salt Chlorine Generator w/TCell (W3AQR9) aosmith Pressure switches like this are

Pressure switches like this are useful because they help confirm the proper pressure condition before the connected equipment operates the way it should

Using the board intended for that setup helps protect the original design balance and makes the replacement feel much more straightforward

That makes it a targeted cosmetic and usability refresh

Supports more complete component replacement

supporting both circulation and the performance experience of the seating area

Hayward AquaRite 25K Salt Chlorine Generator w/TCell (W3AQR9) aosmith Pressure switches like this areThe Hayward AquaRite 25K salt chlorine generator with T Cell is designed for compatible pool sanitation applications where automatic salt based chlorine production is needed. A salt chlorine generator is useful because it helps create sanitizer from dissolved salt, supporting more consistent water care and reducing the need for frequent manual chlorine addition. This system is especially useful for pools that need dependable day to day sanitization