HVAC Drain Pan leaking, need parts help

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  #1  
Old 10-08-18, 10:00 PM
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HVAC Drain Pan leaking, need parts help

I found a Friedrich model # on the furnace side which is EF20- 10D but Perhaps the AC side has a different model # ? Its older to be sure, probably at least 25 years old, but it really runs good and gets the house nice and cool.
Both primary and 2nd drain pan are leaking, dripping onto to attic floor and then dripping off ceiling below. The unit is lying on its side as its in the attic, so the evaporator / drain pan area is to the right, can't see any separate model # for ac section.
Any help would be appreciated; I was hoping that since i doubt I can jack or lift the entire unit up 2" without breaking a freon line (going into evaporator just above drain pvc tubes, that perhaps there is a catch all type of universal drain pan that can be a 3rd pan that would catch the leakage from the other two.
The outside evaporator Dimension seem to be approximately 25" x 6.5" thick, and the drain pan appears to stick out another 2" probably to 27" , these are approximates. I would say a 30" L x 7 or 8" thick pan would do the trick.
I still need to know if there is some special trick to jacking up the whole without breaking the freon seal where the lines come from compressor outside. - left to right perhaps 6 foot section (fan + furnace elements + ac evaporator ) to insert a new 3rd pan under it all. It is already up about 2" sitting on wood supports with a 1/2" plywood square between 2 board suports and furnace/ac.
I'd guess that the whole could be lifted simultaneously and perhaps raise the freon lines
proportionally.
OR maybe there is a replacement drain pan that can just slide in easily? THANKS ahead of time.
 
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Old 10-08-18, 10:11 PM
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A diagram of the ac side would be nice

I can't seem to find this model number anywhere on the internet so far.. so I don't even have the manual (unit was in the attic when I first go the house).
 
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Old 10-09-18, 09:12 AM
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If you post some clear well focused pics of the air handler and the interior parts you are referring to someone may be able to help.
 
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Old 10-09-18, 08:57 PM
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ok, thanks, I think what I'm going to do is to gradually raise up the whole unit 2" higher (to create a clearance for new 3rd drain pan), which is laying horizontally in the attic. Perhaps using slings with pulleys to the trusses above and very carefully also raise up the freon lines gradually as unit raises to avoid cracking their seals (lucky there appears to be a lot of clearance (think freon lines may run 5' out from unit then curve over to go to outside wall and down to compressor),. I found a metal fabricator who can make an oversize drain pan with outlet port on end for $75, then slide in new pan under 2 older ones, snag one of the existing pvc drain pipes and screw it on to new fitting on new 3rd drain pan, it will be stainless steel so it should last a while.... seems to be the easiest solution since I can't find a model # for the ac part and really don't want take it apart which might require freon vacuum/recharge, I only do this because it works to well even when dripping.
I did find some tote bins that were 30" x 20" ( but alot wider than the 8" width i need), and I could cut it down to 2" and make an even bigger oversize drip pan, but its unwieldy in the attic & requires more leeway for supports when new pan is installed, and if it saves even 15 min up there (hot in FL and insulation is itchy right) its worth it not to have to worry about it...
I plan to just gradually (using shims, boards, pulleys and sling wrapped under as much as I can and raise the whole length : like 1/8' at a time all along its approx 5' Unit length + 4' +2' ducting on each end (incoming air and outgoing air) and also raise the duct work attached on both ends as well at same time to avoid ripping out duct work attachment seals (real metal looking duct tape). . Any tips or tricks are appreciated.
 
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Old 10-09-18, 09:51 PM
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You're not going to find a drain pan for a 25 year old unit. You should focus on replacing the overflow pan instead of adding a third one.

I've never heard of a Friedrich air handler and that model number doesn't match any mfg.

There is no trick to raising the air handler. It needs to be done carefully. The refrigerant lines are vulnerable where they are attached to the coil.
 
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Old 10-10-18, 06:03 AM
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I am not an AC guy! When my overflow pan started to leak I looked it over and came to the same conclusion. Using ratchet straps to slightly lift the air handler and replace the overflow pan. In mine the unit was raised 2 to 3 inch on foam blocks in the pan so would have been fairly easy. They have special foam that is grey for that use. I could not have raised mine 2".

Unit died before I got that far into bucket list. So cant report experience with it.
 
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Old 10-10-18, 03:19 PM
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Thanks people, still working on how to raise it a bit without breaking any seals. I would prefer to just replace the 2nd drain pan, but am afraid I would have to take evaporator out, which seems to entail taking freon lines off , don't want to touch freon if possible.
 
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Old 10-10-18, 09:33 PM
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The primary pan is inside the air handler and would require major work to change.
The second pan is supposed to be the overflow pan..... underneath the air handler and not a permanent part of it.
 
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