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  1. R

    Hayward H Series Low Nox Heater Temperature Buttons now working.

    Thanks, I wasn't sure if that was the problem or I needed a new Control Circuit board that attached to the back of it IDXL2DB1930. But since I can see the Temperature and the lights are lit under POOL, I kind of figured it just might be the Keypad so I'll order another one from Amazon.
  2. R

    Spa cover

    It's a good idea to open the zipper every once in a while to check the plastic that covers the foam cores. Most spa covers have a foam core inside the Zippered cover and they are usually wrapped with a water proof Plastic to keep them from absorbing water. A problem that arises from all the warm...
  3. R

    Hayward H Series Low Nox Heater Temperature Buttons now working.

    I have a Hayward H25FDN Universal Low Nox heater that works but now when I push the Up or Down Temp buttons OR Mode button, nothing happens. I can se the temperature readout fine and there are no error codes. A few years ago I replaced the Bezel & Keypad #FDXLBKP1930 and the Thermistore...