not heating

Hello. First start after the winter and the heater does not work anymore after ca. 15 Minutes. At first everything was ok. I could change the temperature and it started to heat. Suddenly only the “SPA on” light is on. I also cannot change in that mode the temperature. When I push the “Pool on”...

Hey everyone! New pool owner here. Bought a house with an existing 33k gallon in-ground pool with a Pentair Mastertemp 300 which has been working flawlessly for almost two seasons that I've owned it until I decided to clean it and I messed things up royally. First off, I was installing a wire...

Hi, I apologise for the length of this post but I wanted to give as much detail as possible to solicit help. Up front I will say I was not on the ball and did not do much to prep my saltwater pool at the end of last season. I do run the pump on a much reduced schedule during the winter, so I...