I have a hot water radiator system with what I'm pretty sure is "black pipe" connecting everything. For context, my home was built in 1905.
I check my radiators every two to four weeks(when I remember), and every time I get air out of two or three upstairs. The most air comes out of the radiator directly above the boiler two floors down. I usually have to add more water to the system when I do this to keep the pressure up and get all of the air out (the valve is manual, not automatic).
I bet I could bleed it more often, but I haven't tried.
Is this unusual? Should I be concerned about a leak somewhere?
I can hear tapping noises when the pump starts and stops (more on the stop), but I'm attributing that to pipe expansion/contraction. And I know it's normal for some gas to come out of the water over time, especially if the water has high turbidity as ours does. But maybe it's a leak?
There are no obvious signs of water damage in my ceiling or walls. However, the first floor ceiling is very thick (drywall OVER plaster & lathe), so it might not be obvious. There is a bit of paint bubbling on the ceiling in another part of the first floor where another part of the radiator line might be running, but that's not where the sound is coming from and it seems to be old damage that's no longer wet.
Should I investigate further?
How often is it normal to bleed and add more water to an older radiator system like mine?
I've lived in my house for 3 heating seasons now and never had it inspected because we have an electric boiler (weird I know) that I've been told shouldn't need as much regular maintenance as a combustion boiler does. Please straighten me out if I'm wrong about that!
Thanks for any insights or advice :-)
I check my radiators every two to four weeks(when I remember), and every time I get air out of two or three upstairs. The most air comes out of the radiator directly above the boiler two floors down. I usually have to add more water to the system when I do this to keep the pressure up and get all of the air out (the valve is manual, not automatic).
I bet I could bleed it more often, but I haven't tried.
Is this unusual? Should I be concerned about a leak somewhere?
I can hear tapping noises when the pump starts and stops (more on the stop), but I'm attributing that to pipe expansion/contraction. And I know it's normal for some gas to come out of the water over time, especially if the water has high turbidity as ours does. But maybe it's a leak?
There are no obvious signs of water damage in my ceiling or walls. However, the first floor ceiling is very thick (drywall OVER plaster & lathe), so it might not be obvious. There is a bit of paint bubbling on the ceiling in another part of the first floor where another part of the radiator line might be running, but that's not where the sound is coming from and it seems to be old damage that's no longer wet.
Should I investigate further?
How often is it normal to bleed and add more water to an older radiator system like mine?
I've lived in my house for 3 heating seasons now and never had it inspected because we have an electric boiler (weird I know) that I've been told shouldn't need as much regular maintenance as a combustion boiler does. Please straighten me out if I'm wrong about that!
Thanks for any insights or advice :-)
source https://hvac-talk.com/vbb/showthread.php?2225581-Bleeding-Radiators-do-I-have-a-leak&goto=newpost
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