Question about Maytag M7DH45B2A Dehumidifier

9 Answers

Maytag M7DH45B2A I have a maytag dehumidifer in my basement, hooked up to a hose leading to a drain. The problem is, the dehumid. doesn't recognize the hose connection. It continues to dump water into the reservoir, and I have to empty it constantly. I cannot find the manual and found this site online. Hope you guys can help!

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  • Anonymous Apr 13, 2008

    Need a Manual for aMaytag Model M7DH45B2A dehumidifier

  • Anonymous May 02, 2008

    I need a manual that has a parts list. Can parts be ordered for this dehumidifier model # M7DH45B2A?

  • Dickerdog May 07, 2008

    I also need a user's manual for this model M7DH45B2A. If anyone knows how to get one please post it here. Thanks!

  • Anonymous Jul 03, 2008

    Yes, I have the exact same problem. It won't continuous drain through the hose even though the hose appears to not be clogged. It is a pain to have to empty it every day! Help!



    C Dye

  • Anonymous Jul 11, 2008

    Dehumidifer only extracted water for 20 minutes then never worked after that. Compressor does not seem to be coming on.. Tried to find the defrost switch could not find ....without maybe taking all apart(don't want to do that)any suggestions as what to look for would be appreciated.



    Thank You

    D.W

  • gcsz Jul 20, 2008

    I tried attaching a hose but water continues to collect in the bucket and the unit shuts off when the bucket is full. 

  • erin53719 Aug 20, 2008

    i added a hose to the back of the unit but it still puts the water in the tank -- i hate emptying it all the time. please help.

  • Anonymous Aug 26, 2008

    I had that problem when I tried a garden hose. I changed it with a grey plombery pipe and it.s work now (not sure if it's PVC pipe)

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In addition to checking the connection point, as johnsoncd mentioned, you should also make sure your drain hose is not plugged. I just discovered today that the drain hose hooked to my Maytag M7DH45B2A was plugged. A couple of months ago, my bucket kept filling up, as was posted by Hurlingboy. There is an overflow hole that, I presume when the dehumidifier is level, causes the water to go into the bucket if the drain is plugged. I believe I may have repositioned the unit, because instead of filling the bucket, it started to leak on the shelf that it sits on. It occurred to me that the drain hose might have been plugged, which ended up being the case.

Posted on Aug 16, 2008

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I have the same problem and discovered there is also a small hole in the plastic collection tray at the right end of the tray. You can see it when you remove the filter screen and use a flashlight to look inside and to the right of the filter slot, or you see it when you remove the collection tank and look up at the plastic tray from the bottom (it's right above where the float is in the collection tank). Maybe it is an overflow opening that allows water to escape into the tank if the hose becomes plugged. I suspect that if the unit is sitting on a floor that slopes down to toward the right side of the unit, this small hole will constantly drip water into the collection tank. I see three solutions: (1) change the orientation of the dehumidifier, so it slopes to the left (2) place thin shims under the right side wheels of the unit, so it slopes to the left (3) fill the small hole with silicon rubber or a small cork. (By the way, instead of using the hose adapter and a hose, you can also use 1/2" inside diameter clear pvc hose that you buy by the foot at a hardware; it's a snug fit but it works great.

Posted on Oct 02, 2009

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I tried several different sizes of soft and hard tubing and finally found one that works. The attached tubing has to be absolutely snug around the spout and when it arcs slightly downward, the water goes into it rather than the bucket. I attached garden hose to this 3 inch length of tubing. It took me at least ten tries before I found the right size and angle. At last!

Posted on Mar 12, 2009

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Did you check to see if the adapter that you connected the hose to is pushed all the way into the unit so it covers up the smaller tube that allows the water to drip into the water collection bucket? The other end of the tube does not screw into anything it just slides over the smaller tube.

Posted on Mar 10, 2009

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Thanks so much, solutions work. Maytag wants nothing to do with this machine. 

Posted on Aug 24, 2008

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Try using a cue tip swap to clean-out the connection point inside the unit. If you can remove the front cover of the unit you can also clean out the little drain tube on the other end. Reconnect your hose and it should work. If not your drain pan might need to be replaced and it's not worth the effort - get a new unit.

Posted on Jul 21, 2008

Thanks for pointing out the Fedders link! I saw a Fedders tag on the back of the unit but also the Maytag brand. Maytag's site certainly doesn't acknowledge this unit's existence.

Posted on Jun 29, 2008

Manufactered by Fedders. Fedders part # A7DH45B2A.
http://www.fedders.com/IandOResidential/Appliances/FedElectDeh.pdf

Posted on May 13, 2008

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1 Answer

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Hi,
There are many reasons why a dehumidifier willnot work or collect water.
Here is a tip that I wrote to help people to figure out what is going wrongwith their dehumidifier

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Can this model drain without emptying the bucket


most units have a drain line kite . if you do this it means it becomes gravity dependent water must drain down hill you cant put a hose on it and then run it up and out of a basement window you know what i meen

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I connected a hose to my dehumidifier to drain the water. The water is still going in the dehumidifiers tank. What else do I need to do?


Check the hose connection on the dehumidifier, as well as the hose for clogs. That is what usually happens when a hose is connected and it doesn't drain properly.

Also, the hose should be no more than 5 feet long and MUST slope downward to drain properly. As, the drain relies entirely on gravity. There is no pump.

Hope this helped you troubleshoot and solve the problem. Please let me know. Thanks.

Jun 06, 2011 | Maytag M7DH45B2A Dehumidifier

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I have a Maytag dehumidifier M7DH45B2A, and want to connect a drain hose, as opposed to using the bucket as we always have. What kind of hose, and do I just remove the bucket and hook up to the same...


Unless it can be 100% gravity feed (1 inch drop per foot) you might need this:

Part: WPL8212501
Fits Maytag M7DH45B2A 496719-1.jpg (Click images to Enlarge)

Description:

Pump-drain

No. in Pack:

1

Additional info:

Dehumidifier pump assembly conveniently attaches the pump kit to you dehumidifier. connect a run hose to a nearby sink, pump, or floor drain. this pump will push water through a hose to up to 18 vertical feet for drainage through a window.
Stock Status: In Stock

Price:

$107.79 - addtocart.gif
This part is also known as:
8212501

If you can gravity feed it and can get a hose around the output pipe then any flexible hose will work that is slightly larger than the output pipe.

Jun 02, 2011 | Maytag M7DH45B2A Dehumidifier

1 Answer

Maytag Dehumidifer still works, but is leaking


Well life span is 3-15 years depends how long and hard you run them. 45 pint is about 1000sqft basment. rule of thumbs bigger better. run less and do a better job. I would start by filling the bucket and place in a dry shower see if you have a crack. cant find a source for the bucket discontinued this might be your problem. http://www.repairclinic.com/SSPartDetail.aspx?s=t-M7DH45B2A-%3d%3di1025984&PartID=1025984 Repair cost are about 40-50 and hour!!!! good luck

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Do i need to disable the collection bucket to attach a drain line to my Matag dehumidifer M7DH45B2a? Or does it keep a full bucket and drain the overflow to the tubing drain?


No just connect the hose and open the hole to the unit to drain and return to usauge. it will fill to the drain opening and drain.

Aug 23, 2009 | Maytag M7DH45B2A Dehumidifier

1 Answer

Dehumidifier emptys in the floor.


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1 Answer

Heats up basement


Dehumidifiers and how they work
Heat pump dehumidifiers

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A heat pump dehumidifier dumps heat lost from the compressor and fan motors into the air. It returns to the indoor air the heat generated by the dehumidifier turning water vapour to liquid. I got this off the internet

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