Loud Noise from Pipes after Boiler Repair & Possible frozen pipe
I ended up replacing these parts myself a couple weeks ago and immediately had hot water, zone 2 heat and zone 3 heat. However, zone 1 (our main floor) would not heat. This was all right around the time Michigan (where I am) got very cold and there was 1 spot where pipes went up over the foundation and there was a good chance pipes froze.
Yesterday, a buddy was over, and we were trying to figure out where water was getting stuck (if at all) as it was in the 40's. I pulled out a shark bit coupler before one of our wall mounted heaters for the boiler and a bunch of rusty/black water drained out. I turned the zone on, and we got water coming out of that line. We hooked it back up and oddly enough, the zone started working.
That being said, a few hours later and throughout the night and this morning the pipes it seems get loud and almost a whirring noise. It seems like if I shut off zone 1 it goes away. Zone 2 and 3 don't seem to have this issue. They all 3 from my understanding share a circulation pump, so if it was that I would assume they would have the same noise.
My assumption is air and I'm thinking I may be doing something wrong to purge air from the system (I've been told a DIYer put this boiler in to begin with and did some stuff wrong? I'll be attaching photos of the system to this post below of the system. If anyone has any tips/ideas or things I should fix please let me know.
Side note, when we moved in a few years ago, we had a water softener installed right away. Since then I've also installed a whole house filter in front of it. So the water going in should be a lot better than it was when it was originally installed.
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There are 2 tees near the air separator. If that's supposed to be a primary-secondary connection, it is piped wrong
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To purge out the air from the zone . By the zone valves , fine the zone that is not heating . Shut off the ball valve and and purge from the spigot above....
There was an error rendering this rich post.
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I've done this and it doesn't appear to helpBig Ed_4 said:To purge out the air from the zone . By the zone valves , fine the zone that is not heating . Shut off the ball valve and and purge from the spigot above....
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I believe Noritz support mentioned this, but kind of glazed over it. How should I fix this? Is it possible to use pex?JohnFX said:There are 2 tees near the air separator. If that's supposed to be a primary-secondary connection, it is piped wrong
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the two tees should be oriented as shown. For 1" copper there should be max 4" between the tees and 8" of straight copper to the left and the right. It appears you have some room for this. Copper is better than PEX for this. Remember to ream the copper to reduce turbulence.0
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Do you think this could be related to the loud pipe noises? Or just a performance issue?JohnFX said:the two tees should be oriented as shown. For 1" copper there should be max 4" between the tees and 8" of straight copper to the left and the right. It appears you have some room for this. Copper is better than PEX for this. Remember to ream the copper to reduce turbulence.
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Well the sound ended up being the circulator. Couple days ago there was a pinhole leak that was shooting out water. I replaced it and the noise is gone. But still curious how urgent the plumbing issue here is to fix.JohnFX said:the two tees should be oriented as shown. For 1" copper there should be max 4" between the tees and 8" of straight copper to the left and the right. It appears you have some room for this. Copper is better than PEX for this. Remember to ream the copper to reduce turbulence.
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