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Thread: Vent damper

  1. #1
    Senior Robin Hood Guy Ian Gills's Avatar
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    Default Vent damper

    I recently replaced my Johnson Controls vent damper actuator on my 17 year old furnace.

    The actuator was seventeen years old and I saw a lovely updated model on E-Bay going at a great price.

    The old vent damper was starting to fail.

    My problem now is that I would also like to replace the stainles steel vent damper. The current vent damper (also 17 years old) is mucky and squeaks as it is turned. Does anyone know where I can buy a 5 inch vent damper without the actuator that will fit? I have looked everywhere.

    It seems I can only buy them with the Actuator at full price. Ouch.

  2. #2

    Default

    Thats why you got a good deal on the actuator. In service, we would never replace just the actuator. We would replace the whole assembly. You'll have to order one that matches the model # of your boiler. You may need a pro due to some wiring harness issues that may arise.

  3. #3
    Senior Robin Hood Guy Ian Gills's Avatar
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    Thanks Geno. Aha, I see the trick now. But I'll keep looking for the damper. One might turn up.

    The wire harness was OK. Plug and play. Although I was careful to make sure I did not cause a short (the wiring on some new actuators is not like that on old, even if the colored wires are the same color).

  4. #4
    Computer Programmer Bill Arden's Avatar
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    If the damper is structurally sound you might consider just replacing the bushings that squeak. I've had good luck reaming out holes with a tapered reamer and then adding a bronze? bushing.
    Important note Ė I donít know man made laws, just laws of physics
    Disclaimer: I'm a big fan of Darwin awards.

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