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furnace repair help

  1. HVAC
    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...
  2. HVAC
    i just installed a yorkoil furnace in my house. when i went to fire it up last night everything went beautiful except the blower motor.it first overloaded and shut it off then i freed it up but then it made alot of racket. i messed with it for a while and now i am to the point where it is good...
  3. HVAC
    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...
  4. HVAC
    1. Initial Error was 4 red flashes - limit switches open - turned unit off and restarted and the unit would flame for about 1m and then flame would go out and 4 flash error would appear. - since this was a replacement board I replaced all limit switches (3 in all) and the board. Error still...
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