I have a big problem of air (or some other gas?) in the central heating.
Need to vent radiators every day. Noise of bubbles moving around in the pipes all the time.
A bit of history:
Cannot find anywhere it might be being sucked in - most of the system looks to be under pressure even with pump running (e.g. all radiators will vent not suck). Feed from header tank is on a single combined pipe.
No plumber I've spoken to can suggest anything (other than guesswork - gets expensive aftera while).
Any geniuses here got an idea...?
Need to vent radiators every day. Noise of bubbles moving around in the pipes all the time.
A bit of history:
- Problem started after the system was cleansed with an acidic cleaner (Fernox DS40)
- Has been drained, flushed and "neutralised" several times since
- New boiler installed (partly for other reasons). Also pump and main pipework replaced
Cannot find anywhere it might be being sucked in - most of the system looks to be under pressure even with pump running (e.g. all radiators will vent not suck). Feed from header tank is on a single combined pipe.
No plumber I've spoken to can suggest anything (other than guesswork - gets expensive aftera while).
Any geniuses here got an idea...?