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About AberMiranda

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  • Location Lehel, Munich
  • Nationality British
  1. Loud banging from heating system

      Well, maybe it's different in the UK, but my experience with bleeding radiators has involved first letting the air out with a bleed key, like you said, and then refilling the system using a valve typically somewhere underneath the boiler. Otherwise the pressure drops and the heating doesn't work properly, and this is corroborated by the YouTube videos I've watched. In a sealed system you need to replace the air with water, after all.   Or does a typical German apartment building heating system work in a way that makes this step unnecessary?
  2. Loud banging from heating system

      That's fine, but we cannot do it ourselves because don't have access to the apparatus in the basement to refill the system.   We can ask the Hausverwaltung, but doesn't the entire heating system need to be bled to fix this issue? I assume the building has a single shared heating system. Every time we've asked for radiators to be bled in the past they've just come to our flat to do it.
  3. Loud banging from heating system

    We live in the top-floor flat, in an old apartment building in Munich, which has communal heating.  Every year around the start of 'autumn' (i.e., now) the heating system gets really noisy and starts emitting loud bangs/clunks throughout the day, and into the night.  The noise comes from some (but not all) of the radiators, and in the walls (we assume heating pipes are there).    We assume the noise is caused by air in the heating system, but have never had this confirmed by the building owners.  Last year the building management sent maintenance personnel round to us, after we complained (we had to wear ear plugs every night to sleep), but we were never told what the reason was.  Eventually the noise went away by the time winter rolled round properly.   Does anyone know if: 1) this noise is normal for old heating systems, and we just have to put up with it? (I really hope not; we're again having to wear ear plugs to sleep) 2) if it's not normal, how do we get it fixed/improved?