Why a Condensate Trap is Needed on an Air Conditioner! Up Close View!
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- čas přidán 28. 06. 2024
- In this HVAC Video, I show
How the Water is Held Back in the Condensate Pan and Will Overflow without a Condensate Water Trap! I take you in for an up-close view of the water rising while we look through the pipe hole! Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.
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⚠️ Disclaimer:
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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Good berthed sher thankyou gues ok
That covers everything ,nice share , practical demo on point.,, Clean out cap for vent.,👍💪🤔🙏🖖✌️
I've seen a lot of discussion on whether a positive pressure evaporator (like one on top of an upflow furnace) needs a trap or not. While it doesn't cause the drain issue like a negative pressure, it does eliminate air leakage. Please share your opinion on this. I am a HS HVAC teacher and I'd love to know your thoughts.
No matter how many times this is explained verbally, the phenomenon of negative pressure is not usually well understood to most until they see it in real time. This is a terrific demonstration!
I still don't get it. I see that it works but no clue why. Thanks for saying negative pressure so I know what to search for!
@@thejohnbeck lol first its funny seeing such a recent comment to an older video, right in line to what I was thinking as well. But I found the answer. When the system is running and sealed, and the fan in the system is moving air, it is on the input side (in this setup). Meaning its a vacuum, or under negative pressure. The drain is like a straw, so while the fan is on, the drain is sucking in air. (I wrongly assumed in the video that "system running" was focusing more on the temperature of the evap coil since he focused on it). When the fan stops, there's no sucking, and the pressure inside that area and outside are equal so the water is free to move via gravity. The trap on the drain needs to be filled with water or it doesn't work, because the weight of the water is more heavy than the sucking vacuum of the blower motor in that small area, so air cannot come up inside, so the water can move under gravitational forces, without being pulled back into the pan. Real world example. You get a fresh frosty milkshake from wendy's and go to suck on the straw. It's too thick but you kinda try again, but as you give up, the negative pressure in the straw makes your spit backwash into the straw.
@@nikolaoslouvros3618 the spit explanation did it for me
I still don't get it =(
No ok. I get it. It's just sucking air in through the drain line. The P trap basically plugs it so it's harder for air to be sucked in that way.
This is the best video I found to fix the problem I have with my air handle thank you so much
Again, well done! Getting this point across to installers that are trying to “just get the job done “is critical. No excuses for not having a trap installed.
My Carrier Infinity runs all day long here in FL and your video carefully explains why my pan holds water and I get the “stinky sock” smell. Thank you for the video.
I have been doing HVAC 8 years and never had such a good example of condensate traps.
Brilliant. I noticed last year when I happenned to look inside my furnace that the condensor pan was completely full and not draining. I could tell there was negative pressure so I openenned the filter area and sure enough it drained immediately. The system was installed by the previous homeonwer so I have no idea of the experience of the originall installer but they clearly didn’t understand this issue. Great explanation and video.
This was the best visual example I’ve ever seen thank you so much.
Literally could not understand why my furnace was filling up with water until I watched this video. Thank you so much you saved me an expensive service call.
When we moved into our new house in North Florida about 8-years ago, we soon started to have filter failures from moisture. This was happening every 1-2 months, and at times the failed/wet filter media would get blown up into the underside of the coils. It was quite maddening. After considerable research, I found a similar video and installed the clear trap you've shown in your video. After that, no more issues.
I'm a bit confused why something so critical can be missed by the Building Inspector, and the private Home Inspector that I contracted to check the house out before we purchased it.
You've done the best job explaining why the trap is needed, that I've ever seen. Great work!
Thanks a lot Terry!
Ha ha ha. Inspectors. That's a good one. They nitpick little things that don't mean a bit of difference, but anything important they forgot to mention in inspector school. Here's 10 pages of bullcrap that needs to be fixed. Give me my check.
Excellent explanation, as always. Thank you Craig. Stay safe!
Thanks a lot Ma ma!
I like this man, every time see his video learn new things.
Thank you so much for all the videos.
You are good teacher :)
Glad to help Latif!
Next level cool deal.👍✌️🙏
During home inspections I would talk about the vacuum effect when there is no trap. If the unit is in the garage or close to where there might b some chemicals, fumes can be sucked up into the air flow going to the home and if that happens because there is no trap at the condensate line no one will know where the Oder is coming from. So the trap here is rather important!
Wouldn't the Trap as he has it here, be more likely to suck in the chemical smells? It is sucking in air right where the AC unit is.
Your a dynamic instructor in all facets of AC Thank You.
I appreciate that!
Thank you very much for clueing me in. That solved the problem of condensate build up in the bottom of my A/C unit. I cut a hole in the piping for easy trap cleaning; I did not realize it receives an internal negative air pressure. I thought it only trapped debris. HAGO; Thanks again!
Very informative. As a plumber this broadens my knowledge. Thanks
Glad it was helpful!
Never realized while the air flowing through the evap is on its way to the cold outlets, it will pull air back through the drain tubing---perfectly logical. The back pull would be untreated air as well. We had our system changed in 2015 and they installed a trap. I thought it was silly. Now I know!!! Thanks for making the video.
Very good. Thank you for your service to the industry!
Thanks a lot Chip!
I don't like ptrap dust build up in it
I was wondering why there is a trap on my system. You learn new stuff every day
I am HVAC contractor with ~10 years of experience. I think that this video is the best explanation why do you install that p-trap on the condensate line so far. :) Thank you!
WHAT DO YOU CHARGE?
Love the visual demo - AWESOME!
Thanks for sharing. Something this smart and inexpensive seems like it should be a standard.
Wow! This is what is wrong with my AC! The person who installed my AC kept saying he had no idea what was wrong with my system and HE INSTALLED it. Thanks! Hopefully my hubby can fix it.
Wondered why the condensation was not drawing whilst on! This is a great channel to learn! I have learned so much since I found this channel .thanks .
thank you, one of the best explanation. very professional
Glad it was helpful!
@@acservicetechchannel could you tell me why water in the drain tray or pan starts flowing out when the pvc pipe system with water filled trap is attached?
@@sujithsurendran7672 Yeah, how exactly does the trap with water counteract the negative pressure of the flowing air?
WOW 😮👍😅 I'm glad i Stumbled on this video 👍
Thank you Teacher Craig. That's Why I Always follow his videos teachings ❤️
Thank you for watching!
Ahhh makes sense. The blower creates a Venturi effect on the trap drawing air in when not primed. Thanks.
Simple, but excellent demonstration!!
Glad you liked it!
Best ever demonstration! I don't think mine is linked into a trap but it I think the broken humidifier and furnace are linked into the line too. Furnace is under ac unit and has some sort of black box cleanout
Very happy you made this one
Hope you enjoyed it!
Thank you for the explanantion. I’m glad I put the ez trap on my new AC last month.
Absolutely, nice cleanouts!
Thankyou gues
Always an excellent explanation!! Thank you!!
I just had my unit serviced. Guy at ACE told me I needed a trap (retired HVAC) guy who serviced unit did not install one. I have an identically appearing unit as the one pictured. Anyways guy called days later and now he said he “forgot to install” and is coming back to place one. Just trying to understand the process and this video was awesome! Thanks
Never too old to learn! Thanks
You got that right!
Well done !!! This video is a great industry tool
Thanks again Craig for another great and knowledgeable video 👍👍
Glad to help!
Very Valuable Information that I was looking for I bought your AC book And I learned A lot, I can't wait Tell I see your book on Furnaces trouble shooting Specially on high efficiencies. On the market.
thanks for that demo! I recently encountered this at work.
Glad I could help!
Great presentation Craig 👍
Thanks a lot!
You are amazing, I lear a lot from you !! Keep it up the good teaching!! Best!
Thank you! Will do!
Great explanation, very informative. Great video. Thanks for making.
Glad you enjoyed it!
Amazing greatly appreciate all the information 👍🏽
I didn’t know you had a workbook! I’m buying that!
Absolutely! We put 8 months of work into fine tuning those questions and they are the very ones I would like every tech to know pertaining to the book, thanks!
Your videos are always so good.
I appreciate that!
Good video. And this ONLY applies when the blower motor is on the supply side of the evaporator causing a negative pressure which sucks air into the condensate pan from the drain. When the blower motor is on the return side of the evap coil, you will have a positive pressure pushing air out of the drain hole and you won't need a p-trap for this
great point! i was left wondering why my system continues to perform fine without a trap, but you've answered it!
You still need it, that's air loss going out of the condensate line.
Same here. Works fine. I lose very little air with my design
Another great video. Thanks for sharing
Thanks a lot Dean Martin!
You are very GOOD, thank you! Very well explain, great teacher; you're truly know this stuff, wow.
Thank you this detailed explanation 💎
Thanks
Glad to help Jamal!
Great demonstration. But this only happens with the coil before the blower. When the coil is after the blower air comes out of the drain pipe and you need a trap to stop the air from escaping.
I learned a lot from your channel thanks for the tips!
Great point. This something missed in the video
how would a trap stop the air from escaping if there wasn't water in it first
Great video.
Really good info Sir, appreciate it.
Thanks a lot!
And I thought traps were for catching wedding bands only.
You guy's are a class act. Ty for sharing. Definitely looking into your E book.
Awesome, thanks!!
Excellent video
Thanks for the video =)
Just a great explanation thank you very much
Glad it was helpful!
I've serviced a package unit witch had a zone board installed (left) inside the blower cabint wich burned out twice .I was ther on the second call, Noticed it was a little damp and the zone board had moister on it, and that they had short 4" pvc pipe off the drain pan. I added a p-trap, installed new zone board called back a month later to make sure clients system was working. Problem solved . Many techs even some hvac business iv talked to think these ptraps are unnecessary but I beg to differ .NICE DEMO CRAIG!
Thank you !!!! I felt dumb when I first saw a video of someone really cocky because he did understand it. I wasnt dumber i just had to take the time to educate myself. I hope when I go to school my teachers are as good as you.
Thanks so much Luis and make sure to check out the video I just published on does a minisplit need a condensate trap. I get into more detail there, thanks!
Additional information
Another tips and ideas
Thanks for sharing dude.🤔
Thanks other 91 solution!
Nice demo Craig.
Thanks a lot HVAC 1!
Love your channel
Thanks Clarence!
Very good video, i watched other video and i couldn't understand. Thos very well explained. 👏🏼👏🏼
You guys are great
Thanks so much!
Great advice!
Thanks so much!
Great video! There should also be a vent pipe on the left (output) side of the trap you show in the beginning of the video. I remove the red cap on the trap and put the tube there.
Great job
Thanks a lot Donnie!
Best video on ac
Wow, thanks
awesome!!! thanks for sharing!!!!.
Glad to help and nice to hear from you! hope things are going well during this time!
Well explained thanks
Glad it was helpful!
Excellent, thanks
Glad you liked it!
Thank you
You're welcome
very useful, thanks
Glad it was helpful!
Very helpful 👍
Glad to hear that
Good one! 👍
Thank you!!
Well I learned something today.
I love how clear your explanations are. Great channel!
Thanks a lot The Air Conditioning Guy!
Thank you so much
You're most welcome
great video
Thanks for the visit
Thank you.👍👍
Welcome 👍
Always wondered why a trap? Thanks
Got you’re book last year and it’s nice to have. I didn’t not know about the trap for the drain on the coil. Good stiff
Thanks a lot Martin!
Occasionally I see condensate tubing left unglued, I suspect to allow for easy cleaning. What are you thoughts on not gluing a couple strategically selected fittings?
Thank u for additional idea
Glad to help Davidson!
Good to know awesome channel thank you
Thanks a lot Romarro!
Great visual for evaporators on the negative pressure side of the blower. You should explain that not all are on the negative side. An explanation of where to put the vent would also be helpful. In my neck of the woods most residential evaps are on the positive side of the blower.
You are right
My exact thought. The plus side of adding a trap on a push coil is you don’t lose some of the efficiency of air being leaked out of the drain, but it’s not critical to have one as it is on a pull coil.
I often see one of the p trap risers uncapped. In your video you have both of them capped. Can you please elaborate. Thank you for great videos.
Gr8 vid ty
Great video! I just bought a house with the upflow system with the filter at the bottom of the air handler like the one in the video. The question I have is I also have a return filter in the kitchen, do I need to replace both filters monthly or just the return filter in the kitchen? The filter at the bottom of the air handler wasn't there when I look after unclogging the trap.
That's hilarious. I was thinking about going the long way around and adding a catch-pan on the floor of the plenum underneath with it's own electric sump pump. Adding the trap is much easier. LOL Thanks
I will be buying your book, workbook and charts very soon. I’m a maintenance man in an apartment complex and I’m finding your videos invaluable.
Thank you very much! We do try to provide information, methods, and procedures in layman's terms so that they are easily understandable, thanks!
Great explanation as always , do you have any plan to make videos about walk in cooler & walk in freezer ?
Thank you
Thanks for letting me know what you would like to see. I don't have many calls on them and would need the right customer and circumstance to shoot a video at one, thanks!
Awesome short and informative. Theoretically blow through system doesn’t need a trap but a lot of the systems have them. Why is it a good or bad idea ? Also I sed a lot of blow through systems have vent pipe upstream of trap open wasting energy. However I have seen same type system draining sluggishly when there is a cap on the vent.
It helps keep out bugs also add for some vacuum relief it needs to be cleaned per season
Can you please make some Videos about Wireless thermostats And Smart Venting Dampers when we do a multi zones thermostats...thank you
Some Carrier AC’s have a built in trap in the Drain Pan, so you need to look and/or check the units literature. It you can’t see directly thru the opening to the drain pan, or from inside the drain pan to the pipe. Then check the literature.
clear concise explanation...
ps... not only blocks air, but also insects
Thanks for such grt explaination, it's very rare that we can see a demo, which you have provided. Requesting if you'll can also provide the maths related to p trap..or thump rule... thanking you.
A B, the higher the static pressure in the system, the more need for a trap there is. You can't go wrong with a deep U trap but in most cases a p-trap will suffice. The biggest thing is making sure that a PM includes the cleaning of the trap or that the building owner is aware to clean the trap one to two times a year, thanks!
@@acservicetechchannel thanks alot
Keep in mind this is for an air handler and not a coil on top of a furnace. The coil on top of the furnace has positive pressure so you dont need a trap.
That makes sense why my unit doesn't have a condensate trap
Trap will keep cool air from escaping though right?
Nice video. I just had a new ac system put in last summer and the condensate pump stopped pumping and went under the house to find the trap plugged up after only 1 year. I also found the goof balls didn’t seal the bottom of my supply plenum so 10 to 15 Percent of the cold air and hot air was going into my crawlspace. Very pissed off number one but also why would the trap be stopped up only after probably 10 or 11 months of total running time
Definitely every air handler needs a trap, but in some cases ac and furnace don't require. But it's good practice to just use one