How to Easily Remove Air from a Hot Water Boiler

In this HVAC training video, we will go over how to troubleshoot and remove air from a hot water boiler that has baseboard heat. Air is a sever problem in a hot water boiler because it creates resistance that doesn't allow the circulator pump to move hot water from the boiler to heat the space. It is important to close any isolation ball valve below a drain valve, as long as the pressure reducing valve isn't above it, to push water through the system in order to remove all the air that is trapped.
0:03 Introduction
0:57 Troubleshooting
1:05 How to Purge the System
1:49 Key Tip when Purging Air
3:26 Changing the Air Eliminator
4:53 Key Take Aways
#boilerroom #boilers #hvac

[@markschwartz5614]

Thanks for showing the logic behind the process, it is always interesting to see that.

[@theapprenticesurvivalguide]

I really appreciate you saying that Mark! Thank you for the generous comment!

[@unabridgeddick6645]

Damn, such a non complicated explanation. Well done sir.

[@ChingusTheOneAndOnly]

Congratulations man you are killing it ! last time I commented you were at 800 subs

[@theapprenticesurvivalguide]

Couldn't have done it without you my brother thank you!

[@dannyperez7613]

Thanks bro out of all the videos I’ve seen you explained it truly the best of all👍🏻💪🏻🙏🏼God bless thanks again💯

[@mm-qd1ho]

good video!

[@michaelfazio4122]

Nicely explained thank you

[@johnjohn-ne8fw]

Good stuff dude!

[@heperez3966]

I’m curious to know if that is oxygen barrier PEX. if it isn’t, that would explain all the air.

[@moonjoker32]

I was told that the flow vent can be kept closed, i would just have to release the pressure every now and then. Is that ok? Also, ive released the air more recently but there is water now besides the air being released. What does that mean??

[@fpitw71]

They just decided to call in now after 4 days of no heat. In other words, they waited until Friday when they got their next paycheck. I know the feeling 😂

[@LHjanzen]

How does air even get into the system?

[@theapprenticesurvivalguide]

It can get in a couple ways: If there is a leak and new water is constantly being fed in new water has dissolved air in it; some pex doesn't have an air barrier; if the pressure in the system isn't positive at the highest point air can leak in through the float vent, im sure there are more ways those are only the ones i can think of off the top of my head

[@ogie5194]

Water is what? H2O. It comes with oxygen.

[@bigpardner]

There are no air release fittings wherever the top of the HW circuiys are?

[@LeoThePrezPretlo]

Did that still didnt bleed out the second floor had go upstairs to bleed it there

[@dedobias]

why not replace that bad gauge?

[@PawsumGaming]

Totally just did service on a lonely boiler today.. there was definitely air in the lines.

[@theapprenticesurvivalguide]

is it a ridiculous idea to think that no matter how hard we try to keep it out, air will always find a way in lol

[@PawsumGaming]

@@theapprenticesurvivalguide the boiler just needed a bit of a refill from the city supply... once we filled it and bled the rads it was fine... stupid air..

[@theapprenticesurvivalguide]

Great job! now if all of them could be like that this winter will be a breeze!

[@carlosportilla7634]

This is real coffee 👌☕️ DD!

[@Strider249]

We like to put ball valves on those air vents for that reason.

[@theapprenticesurvivalguide]

my hero! makes changing them a 2 second process!

[@boun_viaggio_usa9989]

Need air water separator.

[@none8901]

shouldn't the first part of the instruction be a warning to shut off the boiler and let sit until it cools off. Flushing hot boiler with cold water can crack it.

[@saltyolbroad2962]

I would freak on you if you've just poured all the water on my floor.

[@heperez3966]

I’m curious to know if that is oxygen barrier PEX. if it isn’t, that would explain all the air.