In this video we cover traps, cleanouts, vents, pitch and switches for condensate drains.
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Read all the tech tips, take the quizzes
and find our handy calculators at https://www.hvacrschool.com
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Does code allow this to drain into the sewer vent in the attic? I live in Texas Are you in Orleans ?
Thanks for your share
good video. Spot on and I always follow the MANF GUIDELINES.
@hvacschool Am I wrong or did you have a video on the configurations for condensate drain lines on positive and negative pressure units for horizontal applications? Because i can't find it
Great video. I just had a new 95% efficiency system installed. My drains are basically at the floor in the room and I'm unable to install a trap due to no more height. I have a crawl space where the contractor ran the line under the house and adapted 2 inch pvc trap set up in the crawl space and vented it outside the foundation. We failed inspection even though the inspector liked the idea. He also said that if we had no other option that this method would actually pass but in the same breath mentioned the reason for failure was that the outlet or the trap inside the crawl space could freeze. My point was it can only be run through the crawl before it goes outside so it could freeze anyway. Besides cutting the floor open or having the entire furnace reinstalled and lifted to clear room to create a trap, what other options do i have for installing a condensate pump? Thank you.
Fantastic
People don't teach this! Service area Kanata??
On my house A/C (30 years old), there was no drain trap. Should I put one? I recently had water problems found when cleaning the filter.
You were awsome!
Great ❤️💖👌👍
A lot of experience techs don’t believe what you have just explained or lectured, sucked to be them…
The moment you learn something new and think about your past jobs. 😳
You didn't mention anything about the configuration of a "draw" fan unit trap construction or a "pull" fan trap construction. One requires a much deeper trap than just top of pipe to bottom of the other. Otherwise the water WILL be sucked out. Service area Barrhaven??
Excellent video. What is the purpose of "clean out"?
Thanks.
I want to T in a hose connector to flush out the line. Any tips on this. Thanks
Should a trap be on the secondary port before the safe t switch on a negative pressure drain pan?
I came upon a VERTICAL AIR HANDLER ABOVE THE WATER HEATER, where there was a plastic container below the a/h, it was a particular RHEEM. drain on LEFT SIDE, but you could not run the line lower, as it would be covering accseee door, so they has a. Street elbow, line then ran horizontal to drain access in the wall, HOWEVER IT NEEDED A LEAST 6” DROP, to get over the NEGATIVE I got some pipe & a n EZ TRAP, BUT made the drop 12” as there was lots of space to get to pipe in wall, lady said it ALWAYS LEAKED , you should have seen how much snot was in that drain pan!
I guess the installer either did NOT READ about the 6” minimum drop , Or did NOT UNDERSTAND ! That was about 20 years ago in MIMAMAR FL CHEERS 🇺🇸🇺🇸🇺🇸🇺🇸
Been doing this for about 20 years always learn something new
Where are you getting your graphics?
I have issue with wiring the water over flow switch to turn off R. I have found keeping the blower running will help keep the condensate suspended long on the evaporated coil. And not overflow the evap pan. So we wire to turn off the Y. We are on the gulf of mexico in texas high humidity. Please explain.
The drain in my house is wack.
Missed one setup. When a horizontal furnace and coil are installed in the attic or an upflow furnace and coil are installed upstairs you can actually run the secondary drain straight into a secondary drain line that would stub out on an exterior wall above a window. This way when the primary becomes clogged, the water would then drain out the secondary where the homeowner would see it and know something was wrong. This was code and the way we used to do it on housing tracts in Southern California back in the 80's before condensate switches were popular.
Don't use elbows, use 45's and make the trap as shallow as possible, never had a problem with high static. Also insulate the trap to keep from freezing and cracking otherwise great video. If you can help it never ever use elbows on a condensate trap, double up 45's to make and elbow, your clogging problems pretty much non existent.
The Viper products are being slow rolled at United Refrigeration, what gives???
Agreed with everything but breaking Y. This can cause continual short cycling. Either break R or C (if applicable) going to the thermostat so if nothing else the thermostat goes out on time delay allowing the pressures the level.
Thanks for the content you provide.
And your findings how many times have you seen the float switch kill a fan motor, a contactor, or some other component in the system. Happened to me several times just during maintenance. Just testing the float switches I’ve had a cnotactors , motors shortEspecially with carriers I’ve noticed more so than others. Could be we have a lot of carriers though. It has happened to some other units as well like Lennox and Goodman as well as a trane. Standard float switches not touching any metal with no issues before arrival. I did have a couple for the motor sounded kind of off at first then they failed. They were all wired in series breaking red. Thanks Jerry! Are you in Nepean ?
Helpful video. Before I knew about the need to have a vent to break the vacuum I connected a garden hose to a rooftop unit to drain the unit over the edge of the roof. I think the drain was plugged up inside. The 15 ton packaged unit was located over a big dining room with a 20 foot ceiling. The result was that the drain pan over flowed and severely damaged the ceiling. It took a lot of special work to repair including using scaffolding and blocking off part of the dining room.
My question is how does that drain function properly after a winter if it is not again filled with water to prime the trap?
👍 Are you in Ottawa ?