AC drain line


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Old 08-07-22, 11:22 AM
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AC drain line

I have an old AC unit that has worked fine for many years. Now yesterday it wasn't cooling like normal. I checked the drain line and nothing was coming out. I cleaned it out and ran water through it afterwards to make sure it was clear. Well today so far the AC seems to be working but nothing is coming out the drain line. It has been hot here 104 yesterday and 102 today. It appears nothing is coming out of the AC itself. I open the clean out right next to the AC and nothing is coming out of it at all. If anyone has a helpful answer I would very much appreciate it. Thank You!!
 
  #2  
Old 08-07-22, 11:50 AM
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ran water through it
Did you do this at the air handler?

​​​​​​​I open the clean out right next to the AC
No really called a clean out, are you talking about the P trap?

Depending upon the humidity, my AC will sometimes not show any condensation.
 
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Old 08-07-22, 02:38 PM
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Welcome to the forums.

The drain lines rarely clog.
The problem is the fitting where the drain line connects to the air handler.

I will usually open the second (secondary/overflow) fitting and flush from there.
If you don't know what I'm talking about post a picture of your drain line connections.
How to insert pictures.
 
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Old 08-08-22, 07:13 AM
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AC Drain Line

No way to post a pic. I can upload it then it says drag to recorder, all it will let you do is drag it around the box it's in and it goes nowhere what a terrible way to upload a pic, I give up!!!
 

Last edited by Woody73; 08-08-22 at 08:49 AM.
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Old 08-08-22, 07:17 AM
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I cleaned out the line going into the Air Handler. Also I should have said it is not cooling like it was. Set the thermostat at 80 and it will not even get it there to shut off.
 

Last edited by Woody73; 08-08-22 at 08:14 AM.
  #6  
Old 08-08-22, 11:29 AM
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I hear that complaint a lot in this heat.
A properly sized A/C system should run continuously on the hottest days.
Be sure to set the A/C to desired temps before the house heats up.
Once the house gets hot it takes twice as long.

On a more advanced note....you could be low on refrigerant charge.
 
 

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