Recent content by mntbikingontario

  1. corrosion.jpg

    corrosion.jpg

  2. M

    Heater turns on automatically and registers high temperatures! Pentair Mastertemp 250

    I fixed this yesterday! Turns out my printed circuit control board had some corrosion on the non visible side...so I had to remove the control board to see it. The corrosion was shorting a switch and after I cleaned it with rubbing alcohol, the heater now stays in "Pool mode" and doesn't...
  3. M

    New Pentair mastertemp installed, pool and spa mode issue

    Is there a separate exit pipe for the spa on the heater? Without a separate exit pipe, how could you heat "just your spa" or "just your pool"
  4. M

    Pool heater

    which ever heater you buy, i'd try to get one that was manufactured in the same year or so...i just realized the one I bought was installed in 2011 but manufactured in 2008!
  5. M

    Heater turns on automatically and registers high temperatures! Pentair Mastertemp 250

    Power up the heater and it will eventually turn on to the spa setting! Even more concerning is it seems to register 260 degrees in the heater! Didn't realize until I woke up the next day and the heater was on when it shouldn't have been. Here's a video of it in action...