adamra1 Posted January 23, 2015 Report Share Posted January 23, 2015 I have a Hayward H350FDP propane heater for my spa that is about 7 years old. It turned the unit on this weekend which is run at least a couple times a month and I could hear the blowing blowing but the heat and gas would not kick on. What kind of things can I trouble shoot to see what the problem might be? The only error code on the screen was b0 which I think it just something to do with a bypass to use the remote. Thanks Quote Link to comment Share on other sites More sharing options...
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