A/C Issue

[WestEndAngler]

Where do I find the main drain line? I know the outlet is near the roof. However, where does it come out of my unit in the attic? I'm assuming I have been only messing with the secondary which drains the pan the unit sits on...

[WestEndAngler]

[WestEndAngler]

Now there's a pipe thats insulated... Has a stopper on it...



Cap reinstalled... Is this my main drain line and cap to pour stuff into?

[Ibtsoom]

Yessir that looks to be the drain off your condenser coils. It's insulated so the cold water won't let it sweat in your walls or ceiling. You should be able to remove that cap and see if there's water standing in it.

[Ibtsoom]

Just noticed that p trap. It's gonna have water standing in it. You'll be able to tell if it's flowing though.

[S-troop]

If you have a shopvac attached it where the cap goes and see what you get out.


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[Gilbert]

that line is connected to a drain in the house. find where at and pull it and unclog it. Put a bucket under it cause when it comes unclogged, its gonna drain that whole line and it will make a mess.

[Gilbert]

I'll come help you for a 12 pack of Lone Star Light.

[WestEndAngler]

Is that p trap necessary? I was told I have a positive system so it could be causing issues.

[WestEndAngler]

I'll come help you for a 12 pack of Lone Star Light.

I have corona, miller and coors light call me lol

[WestEndAngler]

Have tried sucking the line for each system the main system doesn't want to unclog. Looks like the secondary is clogged too.

[Gilbert]

Is that p trap necessary? I was told I have a positive system so it could be causing issues.

p traps are worthless on ac systems. I took mine off and its stopped the clogging issue.

[S-troop]

Gilbert has it right. You need to find out where that line goes (is there a bath, kitchen, washroom below the AC?). If so, that's where it should tie. If it ties in behind a wall, it's sounds like it's Roto time.

Using a chemical could create a mess since you do not have a good way to flush. If you could get a wire snake past the trap, you might be able to breakup the clog and get flow. Again, good luck.


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[Gilbert]

we got it under control, for now. lol.

[WestEndAngler]