Jimbrowskii Posted November 25, 2020 Report Share Posted November 25, 2020 The up button on my Pentair Mastertemp 250 is not working. Ive read that most likely the membrane needs to be replaced. Im curious though, if I use the down button will it cycle back up to the max temp? Just looking for a temporary solution :p Thanks for any info. Quote Link to comment Share on other sites More sharing options...
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