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Buderus Logamatic HS2109 Malfunctioning
I have a Buderus Logamatic HS2109 that controls my Buderus G115 oil-fired hot water boiler and linked domestic hot water heater. This year ever sinceI turned the summer/winter switch over to summer operation the boiler water temperature has never dropped from 180. I also noticed the sound of the burner firing much more often than I think it should just for our hot water needs. I don't think this has happened in previous years. I'm sure this is wasting a lot of oil needlessly. Is there anything I, as the homeowner, can or should do to fix this, or is this only correctable by an HVAC contractor? My HVAC service technician won't be back until the fall for my regular service. Thanks.