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  1. J

    Pentair Master Temp 125 gas valve "sticking"

    I have a Pentair Master Temp 125 gas heater for my spa. It's been working good for a year, but recently it will not fire up. I hear a "buzz" sound 3 times then the "service heater" light comes on. I followed the troubleshooting guide, which determined the gas valve needs to be replaced. This is...