If the upper floor motorised valve, is definitely opening, and you got a lot of air out of the system, it suggests there might still be an airlock affecting the upper floors.
Heating zones problem (radiators not coming on)
- Thread starter MrDarkGray
- Start date
If the upper floor motorised valve, is definitely opening, and you got a lot of air out of the system, it suggests there might still be an airlock affecting the upper floors.
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