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Old 05-21-2014, 05:01 PM   #1
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How to replace an air handler drain pan ?


Hi, My drain pan under the air handler is all rusted due to leaks before. I want to replace it with a new one. but how do I do it ? The air handler is heavy, and it is connected with pipes and ducts. no matter which way I look at it, it is not a easy job, at least not for me. Wonder if any one did this before or has any suggestions ? Thanks.

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Old 05-21-2014, 10:35 PM   #2
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How to replace an air handler drain pan ?


Good luck ... I have the same problem with a 12 year old Trane air handler that is mounted from my garage ceiling ... It's dripping water on the floor and on my wife's SUV parked underneath it.

I don't think the water drip pan is even replaceable ... I am just going to have a new air handler installed and be done with it.

And am also going to replace the noisy Trane AC condensing unit outside while I'm at it too. There both on there last legs!

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Old 05-22-2014, 11:43 AM   #3
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How to replace an air handler drain pan ?


Why did you say it is not replacable. All I need to do is lift the air hanlder for about 3 inches, the question here is how to do that ? get 4 people ? use some sort of tool ? etc ???
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Old 05-22-2014, 12:18 PM   #4
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How to replace an air handler drain pan ?


Why did I say that the pan was not replaceable?

Well, maybe yours is, but looking at mine, I can't see how it can be removed and then replaced ... at least not without removing everything out of the unit first.

Good luck
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Old 05-22-2014, 02:30 PM   #5
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How to replace an air handler drain pan ?


Like I said, it is not easy. I hope those AC pros have specail tools to lift the airhandler. All I need may be just 2 inch so I can pull the pan out. some of the ducts may have to be disconnected first...Anyway, rust drain pan is very common, some one must did this before. hope they can give me some suggestions...
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Old 05-22-2014, 02:39 PM   #6
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How to replace an air handler drain pan ?


May want to post some pictures so someone can see what your up against.
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Old 05-22-2014, 02:41 PM   #7
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How to replace an air handler drain pan ?


is it the safety pan/tray under the whole unit or the evaporator drain pan?
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Old 05-22-2014, 03:37 PM   #8
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How to replace an air handler drain pan ?


This is the safety pan under the whole unit. When primary drain failed, the secondard drain pipe from the AC will drain the water to this pan, and this pan has its own drain pipe which lead to outside at top of my kitchen window. pretty typical set up.

The pan is sitting on the joist/floor and airhandler is set directly on the pan.

Last edited by clocert; 05-22-2014 at 03:50 PM.
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Old 05-23-2014, 05:22 PM   #9
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How to replace an air handler drain pan ?


Cut it out
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Old 05-23-2014, 08:09 PM   #10
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How to replace an air handler drain pan ?


Cut. yes I can cut one side of the pan and try to pull the pan out from that side, but still need to lift the airhandler a little bit (about 1/4 of inch or so) so I can pull it out.
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Old 05-24-2014, 05:40 AM   #11
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How to replace an air handler drain pan ?


if its just rusty and not rusted through out, maybe some type paint?
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Old 05-24-2014, 08:01 AM   #12
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How to replace an air handler drain pan ?


Quote:
Originally Posted by digitalplumber View Post
if its just rusty and not rusted through out, maybe some type paint?
http://www.mainsupplies.com/index.ph...roducts_id=340
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How to replace an air handler drain pan ?-pan-repair-spray.jpg  
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Old 05-25-2014, 01:03 AM   #13
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How to replace an air handler drain pan ?


Thougth about that, but can not reach the area under the air handler base.
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Old 05-25-2014, 09:25 AM   #14
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How to replace an air handler drain pan ?


I'd be inclined to think a couple of bottle jacks and some black pipe or other thin but strong piece of metal would be useful as a means to lift it enough to gain the necessary clearances. Might need to screw on a piece or two of scrap lumber to make enough of a base for it.

That or some threaded rods hung down from the rafters above with beam hangers under the unit. Tighten up the nuts under the hanger to lift it evenly.
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Old 05-25-2014, 12:04 PM   #15
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How to replace an air handler drain pan ?


Thanks, I need to think about how to do that. also need to figure out which pipe or duct needs to be disconnected before lift the unit. The pan is rusted pretty bad, but not sure if it leaks or not. (I think it leaks if water get in there.) I currenly have 2 water sensers in the pan, one to disconnect the AC power, the other is a loud alarm. Hope this set up will temporarely keep it save until the pan is replaced.

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