DIY Home Improvement Forum banner

furnace won't ignite

  1. Lennox 80MGF-75A Furnace won't ignite

    It's cold in East Windsor, NJ and all HVAC and other utility repair crews are focused on Hurricane Sandy recovery. Our Lennox 80MGF-75A furnace is not providing heat to the home. The gas is on (the Honeywell valve inside the furnace is in the open/on position as well) and the thermostat...
  2. American Standard 90 not all burners light

    American Standard Freedom 90 VS furnace (city natural gas supply) model AUY100R9V4V0 SN N411SX47G Furnace has a problem with all burners lighting. When call for heat is presented, ECM motor blows properly, igniter turns on & glows bright orange, gas control valve opens, and flame starts at...
  3. Heat Won't Come on After Installing New Thermostat

    I have replace my friends 1971 manual Honeywell thermostat on a Comformaker Model: GDE067AC12AN (1971) with a Hunter Touchscreen Programmable thermostat Model 44860 2 Stage Heat/2 Stage Cool. The A/C works however the heat does not come on. Four wires G,Y,W,RC & RH which are jumped. When I...
  4. Bryant 395BAW won't start

    I have a 1985 Bryant central air Furnace model 395BAW048095 with a White Rogers 36E gas valve. The flue is metal and there is a fan within the furnace to create a vacume at the base of the flue pipe conection that turns on when a call for heat comes from the thermostat at startup to ignition...