Search results

  1. S

    Pentair Mastertemp 400 Not Igniting

    Hey guys, long time lurker with issues, and I have had much success from here. However, I am currently having issues with my 2011 Mastertemp 400 not igniting. We were using it fine one day, then it failed to fire the next day or two later when we tried to heat the spa again. I have gone through...