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Thread: Inducer is full - now what ?

  1. #1
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    Inducer is full - now what ?

    This is a job done remotely over a 1200 mile distance - my instructions / someone else's hands.

    120K Goodman up flow natural gas furnace. Complaint was: no heat. Inducer motor very hot and turning very slowly. Inducer replacement process revealed the original inducer housing full of water - well; as full as possible. <g>

    Picturing this furnace: it seems to me that either the collector box filled to overflowing-into-the-inducer (which seems impossible: pressure safeties and so forth) - or; the water came in via the exhaust venting.

    Can anyone here think of an alternate way which would produce the water logged inducer housing?
    PHM
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  2. #2
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    I have had similar issues when the trap was not primed. It was a cheap P.O.S. though.

    Sent from my SM-N960U using Tapatalk

  3. #3
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    What trap?

    The evap. trap?

    If so; how would that fill the inducer?

    PHM
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    Quote Originally Posted by Zamoramax View Post
    I have had similar issues when the trap was not primed. It was a cheap P.O.S. though.
    PHM
    --------
    Socialism is a zombie. It never dies - even though it is constantly decaying and decomposing.

  4. #4
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    Is this the style w/ the drain trap in a drain line from the inducer blower housing? The trap gets plugged and vinegar cleaned up the trap. You fill the trap w/ vinegar ,cover the holes and shake shake shake,dump,repeat until no more crap comes out.

  5. #5
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    Quote Originally Posted by Poodle Head Mikey View Post
    What trap?

    The evap. trap?

    If so; how would that fill the inducer?

    PHM
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    I am assuming that the install was a 90% or greater? The collection trap for the condensate.
    The way you questioned that I am now to assume its an 80%er?

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  6. #6
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    Also if its a 90%er or better if its not pitched the right way you could create the same issue. Carrier made products ask you to pitch the unit Ό" forward not level.

    Sent from my SM-N960U using Tapatalk

  7. #7
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    Quote Originally Posted by Poodle Head Mikey View Post

    Can anyone here think of an alternate way which would produce the water logged inducer housing?
    Throw us a bone here - is this a 80% or 90% furnace. Better yet, please provide the model and serial number.

    This attachment will help with vent water issues.
    Attached Images Attached Images
    Instead of learning the tricks of the trade, learn the trade.

  8. #8
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    Name:  Eric - Goodman - IMG_2153.jpeg
Views: 416
Size:  775.8 KB

    It looks like this pic.



    Quote Originally Posted by TechmanTerry View Post
    Is this the style w/ the drain trap in a drain line from the inducer blower housing? The trap gets plugged and vinegar cleaned up the trap. You fill the trap w/ vinegar ,cover the holes and shake shake shake,dump,repeat until no more crap comes out.
    PHM
    --------
    Socialism is a zombie. It never dies - even though it is constantly decaying and decomposing.

  9. #9
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    96% I think. I just couldn't picture any trap which would drain the bottom of the inducer housing. That's why I asked: "what trap?" <g>


    Quote Originally Posted by Zamoramax View Post
    I am assuming that the install was a 90% or greater? The collection trap for the condensate.
    The way you questioned that I am now to assume its an 80%er?

    Sent from my SM-N960U using Tapatalk
    PHM
    --------
    Socialism is a zombie. It never dies - even though it is constantly decaying and decomposing.

  10. #10
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    Granted I have a carrier but this is the trap on mine. Thats it just behind the electrical.

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  11. #11
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    Attachment 818826

    OH! Sorry; I didn't think I had the M&S #'s - but I came across a picture while looking for the one I just posted.
    PHM
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    Socialism is a zombie. It never dies - even though it is constantly decaying and decomposing.

  12. #12
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    Quote Originally Posted by Poodle Head Mikey View Post

    OH! Sorry; I didn't think I had the M&S #'s - but I came across a picture while looking for the one I just posted.
    That attachment does not appear to work (at least on my computer). Can you just type in the model and serial numbers?
    Instead of learning the tricks of the trade, learn the trade.

  13. #13
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    GMVC961205DNAA

    14082227




    Quote Originally Posted by rundawg View Post
    That attachment does not appear to work (at least on my computer). Can you just type in the model and serial numbers?
    PHM
    --------
    Socialism is a zombie. It never dies - even though it is constantly decaying and decomposing.

  14. #14
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    Some units like Trane have an inducer drain. So was there a drain line on this inducer that was clogged up?

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  15. #15
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    See the small hose on the right under the exhaust ell. Sometimes they clog, and then the water drains to the inducer.
    Contractor locator map

    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

  16. #16
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    Since this is a condensing furnace perhaps either the drain line out of the blower section was never installed? or clogged more likely.
    That would cause the normal flue / combustion process condensate to back up into draft inducer.

  17. #17
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    Quote Originally Posted by Poodle Head Mikey View Post
    GMVC961205DNAA

    14082227
    I don’t see any bulletins on venting issues for this furnace, so I have to go with one of two scenarios:

    1. Incorrect installation of the furnace (see attached installation manual).

    2. This is a short flue (vent pipe) scenario. Inducers operating with short flues, can cause a vapor lock on the condensate drain because they are moving too much air, which causes water to back up until the system shuts down.
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    Instead of learning the tricks of the trade, learn the trade.

  18. Likes Zamoramax, ksefan, VTP99 liked this post.
  19. #18
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    Where is the drain and trap?

    I think I see a lot of rust on the left side deck, from what?
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  20. #19
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    I don't know - I'll make some inquiries tomorrow.


    Quote Originally Posted by pacnw View Post
    Where is the drain and trap?

    I think I see a lot of rust on the left side deck, from what?
    PHM
    --------
    Socialism is a zombie. It never dies - even though it is constantly decaying and decomposing.

  21. #20
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    Drains are plugged, or no vent after the internal trap that hangs in the blower compartment.

    See that rust on the left side?
    That indicates that the collector box hasn't been draining. The collector box gasket designed for light duty condensate, not being flooded by a plugged trap.

    https://hvacdist.com/psr-01-collector-box-pressure-switch-relocation-kit-now-available/

    Is a somewhat related bulletin, and discusses proper drainage for this unit.

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