10 Methods to Clean Condensate Drains/Traps on Air Conditioners!

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In this HVAC Training Video, I Show 10 Ways to Clean Out Drain Lines and Condensate Traps on Air Conditioning Systems in under 1 minute! Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety. #shorts
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Information in this video is intended for educational purposes only. Any work related to the topics in this video should be performed by licensed technicians or by apprentices under the supervision of licensed technicians. AC Service Tech LLC is not responsible for any possible damages or injuries caused by the use or misuse of any information provided.
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Опубликовано:

4 авг 2022

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Комментарии : 184

@lancelotlink3907 Год назад

Thanks for not wasting time talking about your daily life and sponsors. Thumbs up

@EwenMackenzie 8 месяцев назад

I don't know who you are, but I cannot thank you enough for this short video

@acservicetechchannel 7 месяцев назад

So glad it was so helpful for you!

@Daniel-it1dp 8 месяцев назад

Finally an HVAC tech who understands physics!

@annjansen4687 Месяц назад

FINALLY a video that is quick, concise and provides the needed info to get the job done! THANK YOU!!! (info demonstrated without hours of blah, blah, blah) NICE WORK !!

@acservicetechchannel 29 дней назад

I'm glad it helped!

@OneSaintPaul 6 месяцев назад

Very Informative! 30 PSI for the win!

@jessiebautista9279 Год назад

I really like the shop vac methods. I gotta make me one of those 90° attachments

@Marty17762 19 дней назад

This fixed my problem AFTER I told the hvac dude something was not right , he said that's not it you need a thermostat I am not a happy customer & and he's coming back to find out .

@TaddyDigest Год назад

Really GOOD Video

@coachclay2525 Год назад

Who else in from Florida?

@Sunshine-pn2gy 8 месяцев назад

@maxmartial2659 8 месяцев назад

😝

@robsanchez5742 21 день назад

This guy is not in Florida! Ours is so clogged it is like rubber. The entire line is full of this rubber like fungus. We need rotor router. It is usually thick, like snot, but we can suck it out with our shop vacuum outside.

@williamweidman7429 22 дня назад

GREAT INFORMATION!!!!!!!!+ THANKS!

@git_r_done_776 8 месяцев назад

I've successfully used a drain snake (as used by plumbers) to clear out the AC drain line.

@acservicetechchannel 7 месяцев назад

Cool!

@algallego 7 месяцев назад

Sometimes that forces bad PVC connections out of joint and to disconnect. Glad to hear you didn't experience such! Thanks for sharing!

@zoeclearwater 3 дня назад

@@algallegoreally? It’s so small . Almost like the one he uses in video.

@matthewmichiels1272 5 месяцев назад

Regular flushing of drain lines usually minimizes stop ups

@Honestandtruth 2 месяца назад

Great idea 💡👍

@DaCheapChimp Месяц назад

I don't like to add pressurized to the drain lines in case a fitting wasn't glued between the walls. Although I will try a pump down sprayer with water through a copper liquid line and a cone stopper from the top and a Shop-Vac from the outlet. Because if that doesn't work it needs to be ran outside anyways into an ac French drain with the pea pebbles

@MrMattDat 11 месяцев назад

This video is AWESOME! So simple and SO MANY PEOPLE forget to clear that line. Thank you for sharing this info (especially noting the PSI when blowing out the line!)

@MyMessage_Is_Simple Месяц назад

Nice job.

@mrz80 Год назад

I rigged up a couple of ball valves and a quick connect fitting, so I could hook up an airhose, isolate the condensate pan in the a/c, and blow out the line.

@FernandoRodriguez-ds5ri 10 месяцев назад

Make your own video and post it here

@nicholassmith4232 11 месяцев назад

Thank you!

@jeffbehringer1262 Месяц назад

Like an episode of project farm. I love it.

@yorkrojas1452 2 месяца назад

Master!!!

@jRod5000 11 месяцев назад

What clogs condensation pipes is it hard water or dirt ?

@rupe53 Год назад

Amazon sells an attachment for your shop vac that has a series of steps to fit various hose and pipe sizes.

@FernandoRodriguez-ds5ri 10 месяцев назад

Link to amazon’s?

@rupe53 10 месяцев назад

@@FernandoRodriguez-ds5ri ... search "vacuum attachments" and pick the one you like. As I recall, they are $10 - $20.

@Teagod77 Год назад

I do 7 it works most the time

@rayshawn1986 Месяц назад

Do u have to poor back clean water into the trap?

@BusyRaf 11 месяцев назад

Method 10 is my nemesis. Can’t seem to fit anything in there because the coil is in the way.

@kmain0 Год назад

Method 1 is the only one you need

@adazamora9463 5 месяцев назад

Thanks you ! You just saved me from calling a technician

@akui88 Год назад

nice!

@lindablue5504 Год назад

When cleaning a clogged Ac drain line inside the house ,do i connect my Wet/Dry Vac to the Safety T Switch or connect to the pipe where i pour my monthly vinegar. Thank you, Blessings to you and your family.😊🙏🏾

@ThestuffthatSaralikes Год назад

Monthly vinegar? As an algae beater? Where do you put it?! I’m SUPER excited to hear this!

@thrashmetal666ify Месяц назад

Why add water back in the p-trap?

@acservicetechchannel Месяц назад

That blocks the air. Look up "acservicetech condensate" for videos on the subject of why!

@billymadison7331 5 месяцев назад

vent needed after the trap

@HVAC-TECH-Les Год назад

Or you can use a gallon of hot tap water and pour it in the drain while your vacuum is connected outside. The hot water breaks up the algae. Then lastly be sure to clean the drain pan.

@jennifertrusty6997 8 дней назад

What if my unit doesn’t have a “p trap” but has a bunch of 90 degree elbows? I don’t know who put the plumbing together for the drain on our ac unit, but it’s a doozy and I’m having trouble clearing the clog. I do have some tools coming that I ordered from Amazon. The person who installed the pvc drain line glued it all together VERY well, so I’m not able to take it apart to clean the pipes by hand. Oh, and I already did/tried the shop vac method…didn’t budge the clog. 🤷‍♀️

@jesusistheonlyway8100 11 месяцев назад

Hey wat if that doesn't work I tried everything????? Please help 🛑

@GregoryGuay 8 дней назад

I do not have a cleaning trap, but there is a safe T float that is parallel that does not connect to the condensate drain but rather is right in the side of the air handler. Can’t find any videos on how to clean…

@jpol3808 8 дней назад

My line doesn't have any access points on it so I just pull it out of the pump and either use the vac.... Or if it's buried in the garage I use a 2 liter pop bottle. Either fill with water and squeeze or squeeze and slip on the end and let it reexpand.

@DJ-Art-Morris 12 дней назад

My drain doesn’t have a cap. Should i buy one?

@gtarules1 19 дней назад

Why do you need to do that and how often should it be done?

@declan993 Год назад

AC fixed. Damn that was so quick and so satisfying.

@keepthinking2666 Год назад

Most important and basic one for any technician that's been in the field over 20 years the Gallo gun compressed CO2 in a little cartridge creates roughly 300 to 600 psi instantly, that's first also traps don't get filled on furnace it's positive pressure only heat pump with negative pressure get water, there shouldn't be a trap on a furnace positive system

@NoflectioN Год назад

What in the fk are you talking about? A furnace always has a trap. If not it can mess with the pressure switch cause it to open and fault out. You must be a southern tech. Obviously don't know jack about a gas furnace.

@Chris-gy1hf 2 месяца назад

Code here still requires a trap. Nc

@kristfur 9 месяцев назад

If there is lots of thick build-up, how to you get them completely clear? Hydrojet?

@jamarrrr 9 месяцев назад

Get some drain solve

@kristfur 9 месяцев назад

@@jamarrrr I searched and found two brands; Nu-Calgon and Nyco. Which one?

@jamarrrr 9 месяцев назад

Nu-Calgon

@jamarrrr 9 месяцев назад

You don’t need a lot, it’s very concentrated …and wear gloves

@ebayseller6040 10 месяцев назад

last guy that was here for this work said I can use hydrogen peroxide + half cup water and pour it inside to keep it clean. how often do I gotta do that if its a good idea?

@richardh9048 Год назад

What is your opinion on hoses being used instead of pvc??

@deniseengstrom-gumm6698 Год назад

This!

@JohnSmith-jj4jm 8 месяцев назад

Hoses have the potential to sag and create an uneven drain line. PVC being stiff can still sag, but with the correct supports it will retain the downward pitch. You can do either as long as you install it correctly. Example, putting evenly spaced supports and making sure you are dropping 1/4" per foot. Just be careful using these drain clearing methods because not all hoses are pressure rated.

@juancarlosbarrios8377 Год назад

Great job, thank u for share your knoeledge😎🙂👍😎

@jessiebautista9279 Год назад

I was just wondering if there’s another way to clear condensate drains instead of using CO2 cartridges. Thanks bud 👏

@Chris-gy1hf 2 месяца назад

I love my mini nitrogen blow gun if I'm not using a vac. Just more use time than a Gallo gun, and cheaper than co2 cartridges

@Frank020 25 дней назад

Can any smell get in? Mine is high, but room smells a slightly chemical. The ones I used to clean dog pee in the room. I'm wondering if the humidity caused by this entrance line can be making it worse.

@cck1496 Год назад

Good video. What happens if trap is not cleaned?

@paulcrandall2534 Год назад

Water will start filling up in the drain pan and start leaking down into the space.

@cck1496 Год назад

@@paulcrandall2534 Thanks for the clarification. Appreciate.

@EliFoodiez 11 месяцев назад

I watch this video three minutes later my AC drip pan stop dripping

@98pappa Год назад

Swoosh cartridges?

@Alienspecies635 Год назад

The best

@Alienspecies635 Год назад

He just gave us a couple weird ways that he created lol

@MadCatz782 Год назад

I don’t think I have ever seen a p trap on a unit. Just straight draining in the yard.

@thisisyourcaptainspeaking2259 Год назад

P-trap is important in the case blower is pulling air across the evaporator because in this case air will be sucked inward due to negative pressure and condensate cannot drain while the blower is running. This will cause condensate water spillage from the air handler. P-trap is unnecessary if blower is pushing air across the evaporator, creating a positive pressure in the condensate drain. The p-trap is usually located indoors directly next to the air handler so it's not damaged in freezing weather.

@condor5635 9 дней назад

Nice methods! Yeh nitrogen. Same people that fill their car tires with it

@zacharyrogalski2857 Год назад

Not in Florida lol

@williamledet5888 Год назад

Lmao I’m thinking the same over here in Louisiana. Gotta blast that thing

@JP-ro2yi 18 дней назад

Air compressor is definitely the fastest and easiest.

@fmills1583 7 месяцев назад

How warm should the air be coming out of vent of electric a/c in winter time?

@scottapt5291 Месяц назад

Only going to get to 80's or 90's you are around 99 body temp, might feel a bit cool to touch for electric only heating.

@millenialmemoirs 9 дней назад

I like to refill the trap with 20 ounces of Nu-brite for good measure

@mprrx 26 дней назад

I notice the pump's opening are covered, all those pvc vents are covered as well. Sadly to say 3 technicians and nobody has offered to the maintenance, nor even $$.

@lazywallstreetnews7234 14 дней назад

I just turn off the unit entirely, pour white vinegar into the tube and let it sit for 30+ minutes. Then I just pour some hot water in the tube and clear it out. Works like a charm and for sinks too instead of using Drano or anything like that

@outofthebox9913 Год назад

This usually fixes the problem but this time even though we did it it’s still leaking and it’s leaking pretty badly does anyone know why or anything I can do. It seems like my pipes are not in the open like this

@subliminal128 Год назад

Did you ever come up with a solution?

@1Ruizzle 9 месяцев назад

If you live in a 2 story home, the pipe will also drain to one of your sinks in the restroom. If so, maybe you have to unclog that drain/sink.

@Z-Ack 16 дней назад

I tried using compressed air throttled down to what said was 30psi.. well it was 30psi to open air but when it pushed the crap into one spot and stopped the line up it went up to 90psi and ended up painting the neighbors house with what looked like a highly pressurized taco bell shart.. the drain is also penetrates the exterior wall at 2 stories up in the air. That 90 after the penetration apparently was not glued so it came off.. and the shart stain is 2 stories up in the air which makes it even more visible to anybody who looks up:. Luckily my neighbor doesnt ever look up or at least hasent in a year.. or they just dont want to say anything.. lol. Picasso..

@victork3397 Год назад

On method #9 you used an air compressor nozzle with a nitrogen tank. What kind of adapter did you use to connect the two?

@keepthinking2666 Год назад

It's a air tip home Depot near air tools

@keepthinking2666 Год назад

Just buy a Gallo gun you don't need the nitrogen tank or buying all those after parts you can probably get one on Amazon for 15 to 20 bucks

@ke6gwf Год назад

The air blow gun is 1/4" npt threads, and it looks like the hose is an AC service connector, so it would need a service connector to 1/4" pipe thread adapter. The regulator probably has a 1/4" npt port on it that the AC service fitting is screwed into, so you could also just put an air hose quick coupling directly into the regulator if you only used it for this sort of thing. I have a 20 pound co2 bottle and a regulator set up for this sort of thing, running air tools, inflating jeep tires, etc. Quite handy! But as an ac tech, he's going to have the nitrogen bottle in his van anyway.

@CatnamedMittens 13 дней назад

What about if it's a metal p trap

@sunnys7138 Год назад

Bro blow it out with the nitro tank with the proper hose. Easy less than a minute. The vacuum doesn’t work all the time and the pressure from the tank will provide more than enough

@allanbrito13 Год назад

Agreed

@adgonz6714 Год назад

100 psi of nitrogen

@jodystrickland9150 Месяц назад

Nitrogen shop vac and bleach I believe is all it should take to clean most drain lines

@spacenosound6098 9 дней назад

Do you need to shut off ac power before doing this

@condor5635 9 дней назад

It helps but not necessarily needed. If you leave it on the water coming out may complicate things I left my 90 deg pvc coming out of evap unglued so I can remove easily and blow or vacuum both ways. So leaving it on for me water would be coming out. No big deal.

@nathanschaefer5148 Месяц назад

Too bad that only two of these would partially work on our system, and the other one that does is impossible to reach around the access door

@metsrus Год назад

does distilled vinegar work down the drain?

@Dan-uo9fw Месяц назад

Legionella.

@Anver_Silyaev Год назад

How can we prevent drying water in drain pipe while unit is off? Very often my customers turn off their units and start its when water had dry. Don't ask my why do they do it...it's mystery. Thanks for response.

@keepthinking2666 Год назад

You can't typically if it's a heat pump and they have a trap you want the water to stay in there to stop the air from getting sucked into the unit and preventing it from draining you could tell them to do a mixture of CLR or bleach and leave that in the trap to stop bacteria growth

@4oh4n0tf0und Год назад

It should be fine. When the unit satisfies, that water will fill the trap then. I always wondered this for RTUs that have been using heat all winter. And then in the spring when AC is used, the trap is initially empty.

@kincaid9134 Год назад

So, you see how he keeps specifying 30psi on the blow out pressure? And you see in the comment section how they're saying to get the capsule gun that goes up to 300+ psi... lol Also notice how there's a thread questioning if you even should glue the drain lines? Lol This is why I don't blow out systems. Too many bad installers which can cause internal water damage from pipes coming apart.

@acservicetechchannel Год назад

You got it!!! Thats why I don't ever say to use those drain guns! You would be asking for trouble, thanks!

@zefrum3 27 дней назад

My condensate lines are open before and after the p trap via 12” risers. I always thought that was weird but the techs that put in the new system said its suppose to be like that?…

@condor5635 9 дней назад

Good idea I think as long as the one between evap and trap is capped tight. Depending on positive or negative pressure don’t want cool air being lost or warm air being sucked in

@andone560 Год назад

why fill the p trap with water when ur done? someone please tell me

@murkyturkey5238 Год назад

If the trap is on the return then it needs to have water or it will not drain properly, as for the supply idk it’s just how it is

@luislongoria4897 Год назад

Should there be water in the drain pan? Should I drain it out?

@acservicetechchannel Год назад

You should not have any water in the exterior secondary pan. If you do, that signals that you have a problem, thanks!

@desr924 10 месяцев назад

What could be the reason for this? It’s not draining out and that’s why collecting in pan?

@credityler141 Год назад

Do you have any suggestions or a video on how to clean the drain pan before the pvc traps? Thank you

@paulcrandall2534 Год назад

I just always use a hose with a spray nozzle and maybe a scrubby brush if it's really bad. They make drain pan tablets that help prevent the nasty build up. Just toss a few of those in and you're good.

@Flat_Earth_Addy Год назад

What if you are on the 15th floor?

@bobkalinoski8447 9 месяцев назад

Put a firecracker down the pipe and quit put the cap on

@1985230ce Месяц назад

Does the condensate pump require maintenance?

@DaCheapChimp Месяц назад

Two shots of bleach or white vinegar every 3-4 months

@1985230ce Месяц назад

@@DaCheapChimp So, do that at a filter change.

@Boojyman Год назад

What happens when u don't fill the trap back up with water

@yorselrus1996 Год назад

The AC will catch fire and burn your house down. No seriously, The weight of the water in the trap draws the condensation out or otherwise it might not drain right and you will hear gurgling in your condenser causing it to leak inside.

@murkyturkey5238 Год назад

@@yorselrus1996 no lol that’s not a thing

@murkyturkey5238 Год назад

@@yorselrus1996 the only time the trap helps with draining is when the drain is on the return side so it gets sucked back in

@mitchellbrown7022 Год назад

Hit it with a Gallo gun charge from the outside. No need to overthink it.

@RTFMhvac Год назад

So blow it all back in the drain pan?? Alright bud

@raulfernandez9111 Год назад

I just get the water hose with a pvc fitting attached to it and blow the drains out with full water pressure.

@mikes1639 Год назад

But is your AC still running?

@AJ-ox8xy Год назад

😂. Assuming the installer every added a trap must less a clean out.

@ThestuffthatSaralikes Год назад

TL;DR: it’s hot my 25 y/o apartment unit sucks. Just read it and help me please. lol. I’ve lived in a 25ish year old apartment for my second summer. With the original AC unit inside and out. The tenants before us (here for 3ish year) apparently never changed the filter and when they moved “a lot of work was done to make it (the AC) work again” 🤨 I swear we are still dealing with the consequences in our second summer. As soon as the temp hits 95° we start having issues. I shopvac the drip tray every couple filter changes (45 days max between changes cause, Life) I still get clogs in the drain pipe and by 8:00pm it’s over 80° in here. Which isn’t pretty when one has hot flashes.🤬 What else can I do? where else can I shop vac from? I do the drip tray inside but can’t get to the outside pipe with the vac.

@JohnSmith-jj4jm 8 месяцев назад

There's something clogging it further down. Try one of these methods in the video. If you don't have access to compressed air, you should probably call someone

@madmaxsaturn Год назад

30psi. Oops my 120 psi might have been over kill

@user-kr8qv5ec7g Год назад

Why fill it with water ?

@NoflectioN Год назад

Back pressure. Also If it happens to be connected to the sewer, sewer gas will leakout. If you leave the trap dry, water will splash out-of the pan

@bobkalinoski8447 9 месяцев назад

I think I would fill it with vinegar and water on a strong side of vinegar

@seanfriend5711 5 месяцев назад

How much water should go in there?

@LeviIsrael-nt9vs Месяц назад

Fill back up with water 🤷🏿‍♂️ Why?

@turboflush Год назад

What is recommended for homeowner to put in the drain. I hear bleach is bad.

@em4717 Год назад

Why is bleach bad?

@johnwayne2260 Год назад

Use rubbing alcohol, it’s easier on condensate pumps...

@turboflush Год назад

@@em4717 I am guessing the fumes and even back flow into the pan results in your pan rusting out.

@turboflush Год назад

@@johnwayne2260 I don't have a pump But interesting

@em4717 Год назад

Got it 👍🏽

@hsantiago1ds Месяц назад

Why the water?

@acservicetechchannel Месяц назад

That blocks the air. Look up "acservicetech condensate" for videos on the subject of why!

@scottapt5291 Месяц назад

Need to refill the trap to keep the seal.

@DZ-hu2sv Год назад

Just use a Mighty Pump. It's around $100.00 and you don't have to do all this.

@MrSeth166 Год назад

Why all the AC drain lines are 3/4 inch? I have replaced to 1 inch PVC pipe and that'll solve all the problems...as simple is that...

@keepthinking2666 Год назад

Doesn't really matter about the size as long as it continuously drains for the tonnage of the unit it's about the static pressure that's what the trap size is set for you need to know what your ducks static pressure is in over order to overcome that pressure and have the water run out you could run a half inch if you wanted my units that I work on typically or 4 in

@treyphipps9831 Год назад

@@keepthinking2666 could you put that in equation form? 😅

@FernandoRodriguez-ds5ri 10 месяцев назад

Why nitrogen?

@johng4339 24 дня назад

Consider it to be a portable, high-pressure air tank - - small and no electricity needed. Any high-pressure gas would work the same.

@paulcrandall2534 Год назад

I'm not carrying all that stuff up to a roof to clear out a p-trap on a rtu.

@ThisIsSolution 11 месяцев назад

Or just straight pipe it because traps on condensation lines make absolutely no sense whatsoever

@noelv1976 Год назад

Why do they glue the PVC pipes?? Is it necessary since there's no pressure on the pipes?

@victork3397 Год назад

To prevent leaks…

@keepthinking2666 Год назад

To be honest you only glue certain sections the rest of it is so tight it doesn't really matter and on a lot of the systems you wanted to be unglued because you'll have to disassemble it in order to take the cover off and clean the evaporator coil as well as the drain seasonally also sometimes idiots that install units will drop the drain line right in front of the filter door

@noelv1976 Год назад

@@keepthinking2666 exactly my thought. I had to cut a bunch of pipes because it was glued for no real reason. There's no pressure so why not use couplers with rubber gaskets? Or drain hose with a clamp? Would save so much time

@bartfoster1311 Год назад

It should be glued so or doesn't come apart and flood the attic. Use a union for easy access..

@jeffsimerson7721 Год назад

How do you know when it’s clogged BEfORE it becomes a problem? It leaks thru the wooden box in the garage all over the garage floor, the unit sits on and then I know it times to clear the condensation, how do I catch it before it leaks? Is there a sensor light I can buy they tells me it’s backing up? Once the water is all over the garage floor it’s to late..

@bully1676 4 месяца назад

Talk about many ways to skin a cat

@clayton9136 Год назад

Fill the trap back up? For real? Why?

@NoflectioN Год назад

Water will splash out the pan. Duh.

@Redtooth75 Год назад

The trap is necessary for water to drain out of the pan if the evaporator is on the return side of the blower motor. The blower motor will pull air through the drain line and prevent water from draining. Most of the time the system will satisfy the thermostat and shut off before the pan overfills. And then after the blower shuts off the water that was getting held back drains and will fill the trap. But it is possible for the pan to overfill before that it satisfies. Its good practice for a service tech to fill the trap. The last thing you want is to have a pissed off customer because they got water everywhere.

@coldfinger459sub0 Год назад

Dam I forgot to put the cap back on duh 🙄

@yesyes541 Год назад

Those pipes will freeze and burst in the winter time

@murkyturkey5238 Год назад

Not if they’re pitched properly

@Redtooth75 Год назад

No they wont. I live in a state that frequently gets to below zero Fahrenheit. Its common on commercial applications for the trap to be completely outside and they never crack. Water expands when it freezes. As long as there is room for expansion it will not crack. The trap is open on both ends giving two places for the water to expand into.