Really Loud Banging Noise From Radiators

Old 11-29-04, 01:33 PM
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Really Loud Banging Noise From Radiators

I have a 50yr old Boiler system. The rear 3 radiators in my house (1 on 1st Floor - 2 on 2nd Floor) makes the most excessivly loud banging noise when the heat kicks in. I have drained the pipes and the 2 radiators in front make no noise.
Old 11-29-04, 10:06 PM
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Location: Lake Murray, SC USA
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Zeenbug, some questions for clarity. Steam or hot water system? Drained the pipes of what, water, steam, or bled the air out of them?

What is the boiler pressure? What defines front and rear? Are the problem rad's the ones furthest from the boiler?

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