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  1. How to fix baseboard heat (gas heat furnace) making GURGLING NOISE?

    You can hear the noise in this video I've just bought the house so this is the first time i turn on the heat. Before that, I changed the thermostat to a HoneyWell Digital one. There was only 1 Red wire but there was no metal jumper connecting R and RC...
  2. ComfortMaster GU 400050-08M Filter Change

    We have a ComfortMaster GU 400050-08M which was manufactured 9/86 and probably installed when home build in 1987. Works fine but there is no instruction manual. We need to know how to change the filter. Any one know?:eek: