Honeywell Zone System Damper Question

Discussion in 'HVAC Heating & Cooling' started by GrantK, Dec 13, 2007.

  1. GrantK

    GrantK New Member

    Mar 8, 2007
    Pharmaceutical Scientist
    I have a 3 zone system on a forced air furnace that uses Honeywell spring return damper actuators. (part#M847D1004) When one of the zones call for heat there is a constant tapping noise coming from the damper actuator, you can see the actuator "clicking" as if it's opening too far or going past a stop. Since this system is a ducted sytem you can hear the tapping all the way upstairs, it's not loud but annoying to say the least. Can these actuators be adjusted and if so does anyone know how? Or should I replace it with a new actuator? (part#M847D1012) Replacing it doesn't look too difficult to do, any insight on replacing one would be helpful also!!! Thanks!!!
  2. Chris75

    Chris75 Electrician

    Aug 12, 2007
    Litchfield, CT
    One of my zone dampers just started doing the same thing you said...
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  4. game211

    game211 New Member

    Nov 20, 2008
    same problem

    I have the same problem what did you guys do to solve it??
  5. nhmaster

    nhmaster Master Plumber

    Jul 30, 2008
    Tech. Instructor
    S. Maine
    Over time the shaft bearings and the stops wear out. Replace the motor. Follow the instructions, it's a simple jop. don't mix the wires up.
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