How HVAC Manifold Gauges Work & Why You Shouldn't Cheap Out On These!

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[@rwood1995]

That moment when you realize the cheap gauges are spot on when you said the were inaccurate because you missed the detail of C vs F 😂😂

[@diyhvacguy]

Ooops 🤷🏻‍♂️ hey I learned something new.

[@rwood1995]

@@diyhvacguy Why cant we all use metic?? There was a space prob or something that wasz supposed to slingshot Mars but since someone missed a meter/sec to ft/min( or ssomething like that) the probe skipped of atmosphere into deep space. Millions of dollars gone over a conversion that would not be needed if it was not for the US wanting to be different. C and F are not exactly metric vs imperial but short the US everywhere else uses C. Props on admitting you missed it instead of deleting the video and pretending you are perfect as other channels have done. That would be lame

[@cult_of_odin]

​@@rwood1995because real men use a measuring system created by a drunk mathematician rolling dice. Keep your fruity French yard stick to yourself.

[@yxcvmk]

Was just attempting to comment after passing the 6:30 mark 🙂

[@crocodile1313]

@@rwood1995 I don't think it's a case of the US "wanting to be different" in present times, but rather that the cost, confusion and inconvenience would be more than any sane politician would want to suggest. There was a push for the USA to go to metric in the 1970's however. I remember my school teachers in 2nd and 3rd grade (around 1977) telling us that the country was going to the metric system and teaching us about it. Then the subject kind of faded away and I've never heard it discussed seriously since then.

[@wagnergitirana]

Thank you so much for posting this video. I’m an HVAC enthusiast and soon enough I’ll be going to a private school for HVAC and will focus exclusively on residential. Nothing on the commercial side . You explain great and patiently. Really appreciate for these valuable information. A new subscriber here. Cheers from Houston, Texas.

[@crocodile1313]

Good luck friend!

[@michaelstanley9635]

I just have to comment on your Professionalism and indepth knowledge. experience, and information. I pray your etiquitte will have influence on our younger Generations to have your same drive and integrity. Awesome Job thank you for your time and benefit to Society.

[@firstborn32]

Great video. As always keep up the good work. I’m learning. Thank you.

[@livingaboard]

Very under rated channel

[@nestorarmas8039]

Nice presentation! God Bless you!

[@Fitjaycjr]

So thankful i watched this, you explain everything so perfectly you make such a great teacher/instructor keep up the great work hvac is making more sense.

[@SC-xk6uk]

Thank you. Always enjoy your video. I live in sw Florida and my AC seems is not as cold as some other house I use to own. It is. Goodman 3 ton 16 seer and the air coming out of the vent around 74-75. I hooked up the gauge and the reading on the low side around 150psi on the low side and 280 on the high. Weather is around 85 and humid. Am low on freon?

[@TaVo78]

great video just an observation, the cheap gauge is measuring in C, whereas the other in F. So, 50 F is around 10 C.

[@emilepmartin]

Awesome content...much appreciated!

[@markpoposki]

With the disconnect procedure you explained, you do not have to worry about the yellow hose having air in it and introducing that in the system? Since you burped the red and blue line, what happens to the yellow hose if you will not use it, or just checking charge?

[@DRHVACR]

a compound gauge is only useful for the listed Freon on the set you can use a PT chart to tell you what your pressure should be for the Freon in use

[@Honestandtruth]

I use Testo manifold with Yellow jacket hose. It works fine

[@zekenzy6486]

Great Video. Thank you for sharing

[@billsimpson604]

It is a good practice to have something protecting your eyes whenever you are working with any high pressure gasses or liquids. Stuff breaks and accidents happen.

[@gainesinlife]

Great video as always, I'm still patiently waiting on the Hard Start kit video

[@FreebornOutdoors1776]

What do you need to know about a hard start kit?

[@teklefitsum]

Wooow, you are the best teacher. Please teach us more about how to use a digital gauge to check a pressure.

[@steve19841117]

The cheap one is 10°c man! But I still thanks for your upload.

[@petersmart1999]

10c is 50f

[@diyhvacguy]

Haha doh! Ya learn something new every day right?

[@user-jd7po3nk3w]

Hey hey thanks for the video.... My freom level is good but the pipe is not sweating....???

[@ronmorrell9809]

With many others having discussed temperature calibration in Freedom units vs Chinese Communism units,my take is that the difference is durability. Yellow Jacket gauges are sold online for $150-200. Cheap gauges are about 1/3 of that. I expect a professional will be able to use a quality gauge 100s of times with little or no deterioration of valve or seal. The cheap version might fail after a handful of uses. If I'm a DIYer who got an EPA certificate to buy refrigerant in small containers for my car, home and rental property, a handful of times may be all I need.

[@giantkillin8278]

good stuff!!

[@TheBeast-tj9qo]

Great video! You should do a video on how to vacuum and recharge a car.

[@diyhvacguy]

Great suggestion! I’ll keep that in mind. All my ac’s work good so I have nothing to work on 🤣

[@waynepowell567]

THANK YOU !!!!!!!

[@jess8075]

Thank you for your videos; I like them because you explain what you are doing well. You have to know what you are doing for sure, but it is not rocket science; like other videos, others make it sound.

[@chung5star]

Would like to know if we work on automotive, which adapter is need to add to function properly?👋

[@HyperXprojects]

I have an observation on the comment you made that the dial on the cheap does not read. It does but on the opposite side of the needle not like the CPS on the same pointing side.

[@GeneGaines]

Thanks! Your information is really valuable to me.

[@roberts1159]

Comment to help the algorithm. Appreciate you sharing this information.

[@diyhvacguy]

Thanks buddy!

[@keith2498]

This is what I am looking for. This manifold

[@aihf3063]

Hi brother. I previously went to school in Cali and received my universal certification. It’s been 20yr where can I go to get a copy. I have looked every where. I did my school in California and reside in California. Any help will be appreciated

[@hvac_double_agent]

Good stuff 👍🏼👍🏼

[@juanp9178]

Good videos!!!

[@Tgottarun]

Trying learn hvac all the way I was doing duct installation with my brother wanna get the job when am 18

[@Diego-wp3zv]

Thanks for video. I'm on the market for a good manual set. What is your opinion about the NAVAC N2A4?

[@diyhvacguy]

I have the n2a4 haven’t used it yet but I’ve seen plenty of people with them. But I absolutely love my fieldpiece digital gauges. If you use either of these it helps me out a bit 🤙🏽 cheers Navac n2a4: amzn.to/3RW7HZB Fieldpiece 3 port digital gauges: amzn.to/3QgQ9pL Fieldpiece 4 port digital gauges: amzn.to/45wD7cb

[@keithhoward8651]

I am looking for a good set of about gauges. I have a question. Is the Hilmor gauges a good set or something else? This will be my first set of gauges. I’m trying to keep the cost down around $300 to $350 at most. Any advice would be greatly appreciated. Great channel 👍🏻 keep up the great work.

[@zebschreiber7357]

You just get the best set you can afford and upgrade when you can. That rings true for any tools I do alot of good work with cheap tools. It's the knowledge and workmanship of the technician that gets the job done not just their tools.

[@brcbuilt9922]

The cheap gauge set is in Celsius 10= 50 Fahrenheit

[@bobguy6542]

6:20 Brother, they're the same. One is Celsius, and the other is Fahrenheit. 55F is 12.78C.

[@ronaldhooutube]

what was the manufacture for the compact low loss hose on the fieldpiece manifold ?

[@diyhvacguy]

amzn.to/43TZhFi Here ya go they’re made by Richie. A good name brand

[@kennethfisher3079]

Is the temp in the cheap gauges in Celsius and not wrong ? I like your videos and I'm learning about hvac from you of all the people on the internet. Thats why I point this out. Let me know.

[@diyhvacguy]

Yea I was mistaken. It’s just in celcius 👍🏼

[@annhenry1226]

How does pressure translate to quantity/ lbs of Freon.

[@robertklunder5060]

The example of the cheap gauge superheat/subcooling temperature discrepancy does not exist. The "cheaper gauge" showed 12 Celsius, which is 55 Fahrenheit.. Notice the indicator C marking in the center of the gauge. as opposed to the F in the CPS gauge

[@diyhvacguy]

Yea I realized that after.. doh!

[@philiplittlejohn1794]

I thought the C stood for cheap set

[@joecox9958]

you are wrong at 6m23s, vapor temp at 150.5 psi is 53F or 11.7C, the middle gauges shows correct temp also just in Celsius.

[@multivision6233]

how much price ?

[@TheLightningStalker]

I cheaped out on those.

[@TomGuo1039]

Which Micron gauge do you recommand？

[@diyhvacguy]

amzn.to/4aQ8npQ This one is great and more affordable than the cps and fieldpiece one. I have it and it works great 👍🏼

[@ishmael8291]

i want one

[@WalterVigil-cf3xw]

If you ever need someone to help you id be happy to do so. You have soo much knowledge that i love to learn even if i had to be the guy that carries/clean the truck 😅

[@meseahunt]

Mastercool stuff, good or not so good?

[@petersmart1999]

Good automotive tools!

[@meseahunt]

@@petersmart1999 okay yellow jacket it is than…

[@petersmart1999]

@@meseahunt I have Testo,JB,Imperial Eastman,Fieldpiece,Yellow Jacket,and they all suck when something happens! JB,and YJ are pretty decent for the price point,the other cheap stuff is crap.

[@diyhvacguy]

Never used master oil so I’m not sure. Sounds like they offer good automotive tools though.

[@sethburgin5994]

I always used Yellow Jacket, Robin Aire, and for R12 & R134 I used Snap On manifold gauges. The Snap On gauges were oil filled and stupid expensive. I used a TIF charging scale, and had Robin Aire charging cylinder scales. I am old. I stopped doing HVAC when the EcoNazi Persecution Agency mandated using refrigerant recovery systems. I vented lots worse things into the air than R12 and R22.

[@andrewkuebler4335]

That's not something to brag about. It just means you were wildly irresponsible with dangerous substances and don't/didn't care about their effect on people and the environment.

[@doublearc360]

High side, low side. Liquid side, vapor side.

[@arcticzone9223]

Here in Jamaica everyone is hot and has no money, I been doing refrigeration and hvac since 2004 and alot of the modern tools I only see on the internet. That's it!!

[@nachoproject5154]

A home owner can get EPA certificate???

[@diyhvacguy]

Yesir!

[@rolandguzman4615]

Why ur gauges still has pressure

[@dghtr79_36]

at 6:00 you talk about temperatures, and 55F is 12 degrees Celsius, which what the cheapie scale is reading, that might be the difference in them, but this constant jumping between those terms, suction, vapor side, superheat, pressure-temperature etc - huge chaos in this industry, when in fact the whole thing is pretty simple, but a/c service schools seem to just invent and throw all sorts of made up terminology at everyone to confuse the bejesus out of them

[@teklefitsum]

Please start online classes. I want to learn more.

[@diyhvacguy]

I’ve thought about it! I’m going to be looking into this for sure.

[@brandonsmith6397]

It says why you shouldn’t cheap out while holding a 3 port field piece😂

[@locutz]

I use these cheap gauges in the daily my guy lol

[@fidelgarcia5683]

you burp the blue and red hose but what about the yellow hose? doesn't that one has air in it

[@izaanumer1331]

Only air it out when you are connecting the yellow to a container or something . In this situation he didn’t use the yellow hoses

[@turboflush]

Stay away from harbor freight and the cheap ones online. 70$+

[@EnigmaticJack]

I cringe every time you say burp the line. In 30 yrs I’ve never heard anyone say that. You’re bleeding the lines lol

[@diyhvacguy]

Really? I hear people say that all the time lol

[@RioWilliams797]

It’s called purging the lines!….lol

[@stayblessed4898]

It’s OK, sir!!! Respectfully/ thanks for correcting..communication is very important ✊🏼🤞🏼😇

[@wasimedoo7994]

Very good information and video I have a cheap Gage and I do my work with it I will like to get those low lost horse with help me a lot and how can I get the book it will help me out but I am from Guyana I look at your Chanel

[@diyhvacguy]

amzn.to/43LkK31 amzn.to/43tcCUA

[@diyhvacguy]

Here you go 👍🏼