How To Unclog Clogged Air Conditioner Condensate Drain Wet Carpet Floor In Front Of AC

Kung Fu Maintenance demonstrates how to unclog a clogged air conditioner condensate drain that has made a small flood and wet carpet in front of an AC.
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Oh no, wet carpet. Well it’s all right here in front of the air conditioner. And most times, what this is a clogged condensation drain line from the AC; it’s pretty hot these days. So let’s open this up and take a look. And where the leak is at, we’ll have different options, just kind of wanted to go through a bunch of different steps today on condensation leaks. So let’s take a look here, let me open service panel door here. So it’s got this little keyed latch that that we need in order to open the service panel, I usually just use my screwdriver. That lets us remove the panel. Oh yeah, this one is actually at the pan. You can see how full the pan is full of water and it’s overflowing. You’ll see some setups out there where you’ve got a pan like this filled with water and if it overflows, there’s and exterior pan that has a condensate float switch. So if the pan overflows then it will trip the float switch until you can clean it up. My particular setup does not have it. Here’s the condensate drain, and what it has is a vent in the condensate drain so the entire drain line goes out back. There’s a trap right behind here for the vent here.
And so what we can do is vacuum from the vent or vacuum from outside. If water was overflowing right here, we’d actually want to vacuum from outside. My particular setup drains into gravel well. Because our clog is right here at the drain, it’s either at the drain or it’s in the trap there, most likely in the trap. I should be able to unplug it here and not necessarily need to unplug it outside. If I did need to unplug it outside, what I’d do is hook up my wet/dry vacuum back there, come over here and seal this side where I’ll pull in the water out with the wet/dry vacuum and that way it pulls all the way to the drain here. So anyway, get this going, check it out here.
I regularly change air filters, so I’ll be changing the air filter today. And also add condensate pan tablets to the drain so it doesn’t form mold and fungus and all that funky stuff so that it’s not just water. So when they have a leak like this, it’ not just water, it’s actually treated water with anti-mold, anti-fungal, anti-coagulant, and it also keeps odors away, all that good stuff, anyway, going to be vacuuming this out right here. These drains work via gravity, just like normal drain, so it drains to a well out back where the level is lower than it is here at the drain pan and as well as at the vent. So as long as it’s lower there, it’s draining to there.
And sometimes if I hook up my wet/dry vacuum from here, we may need to go and put a cover. I usually use, when I have to cover either these vents or that outside cover, I’ve got these little tags that are very laminated material. And so I’ll just fold that and put that over the hole and that makes a really good seal. If you have a cap or something like that, you can use that, but I like to use these. Anyway, get this going.
I’ve got my nice little Stinger wet/dry vacuum, this thing is a tool of champion’s right here. This little Stinger wet/dry vacuum converts to a blower so it’s really useful for situations like these. So we’re going to be hooking up my suction hose right here, and the nice thing about this is it just pretty much slips right over the top, I can use my hand to seal the rest of it off. So here’s to the vacuum.
And I’ve actually got a plug usually right here at the area, so it makes it nice and convenient for getting this done. Plug it in there and we’re ready to vacuum and we’ll see if it pulls it from the pan or not. So ideally it’s going to pull it from right there and we’ll know that we’re clear.

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