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Discussion Starter · #1 ·
You can hear the noise in this video

http://www.youtube.com/watch?v=NiFe92DUY7Q

I've just bought the house so this is the first time i turn on the heat. Before that, I changed the thermostat to a HoneyWell Digital one. There was only 1 Red wire but there was no metal jumper connecting R and RC slot (does it have anything to do with this noise?). The heat comes out, everything works but the annoying noise is there. How do I fix this?

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The gurgeling noice is from air in your system which needs to be bled. You can post some photos of your boiler and the immediate valve controls so we can advise you how best to do this or you might want to get that boiler properly serviced.
 

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If you get enough air into the system you can get air locks that prevent circulation of the water. This will cause overheating and possible venting out of your pressure relief valve depending on the integrity of your exp tank. It usually does not damage anything but can definately result in an unheated home.
 

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Your baseboard may have radiator ells/bleeder ells on one end. Remove the cover and check. if not, they should be a purge set up near the boiler. post pics of piping and boiler, and we may be able to tell you how to purge the air out, if you don't have bleeders on the baseboards.
 
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Discussion Starter · #9 ·
Your baseboard may have radiator ells/bleeder ells on one end. Remove the cover and check. if not, they should be a purge set up near the boiler. post pics of piping and boiler, and we may be able to tell you how to purge the air out, if you don't have bleeders on the baseboards.
The previous owner showed me the ells/bleeder on one side end of the baseboard radiator in the video. How can I bleed the air out by myself? Do I need a pro for this job? I'm no handy man. :(

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Many companies have what is called a clean and check service.On this kind of call they clean byurners etc ,they check safty features .It is very comman to have the home owners ask all kind of questions about how their system works and what you should do in the event that something goes wrong.
It sounds as though your air vent is not working.It could also be that the boiler has lost a bit of water and the fill valve is shut off the way the instructions tell you to do.
I believe this would help you out now as well as in the future.
 

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The previous owner showed me the ells/bleeder on one side end of the baseboard radiator in the video. How can I bleed the air out by myself? Do I need a pro for this job? I'm no handy man. :(

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A dime or small screw driver is used to turn the bleeder open. Then you let it open until water comes out. Don't open it too far, let it slowly bleed out the air.

If it stops leaving air out and no water is coming out. Then close it, an see if your boiler has an automatic water feed, or just a manual. Add water to system until it reaches bout 12 PSIG, then go back to bleeding the air out.
 
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Discussion Starter · #14 ·
A dime or small screw driver is used to turn the bleeder open. Then you let it open until water comes out. Don't open it too far, let it slowly bleed out the air.

If it stops leaving air out and no water is coming out. Then close it, an see if your boiler has an automatic water feed, or just a manual. Add water to system until it reaches bout 12 PSIG, then go back to bleeding the air out.
Thanks. I don't think I have a boiler water tank. Please see this thread for the photos of my Heating system

http://www.diychatroom.com/f17/its-cold-i-dont-know-how-turn-my-furnance-157901/#post1016778

Q: Do I keep the heat running while bleeding or turn it off? It doesnt sound that hard, so I will give it a try first.
 

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Discussion Starter · #18 · (Edited)
Boiler air bleeding is more effectively done with the pump/s off.
What is your psi read on your tridicator?
Wow, I just checked the psi and degrees. The boiler is running at 20 psi and at 170F. I freaked out and turned off the boiler. This is may be something more serious than I thought. I will have to get a pro to fix this. What do you think could be causing this?

The boiler for my floor is running fine, it's running at 10 psi and 69F. The one having trouble is for my tenants upstair.
 
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