i have a ferroli optimax he31c boiler no therm stat as broke while back so ran it off built in clock! but now not even that works! any ideas as i still have hot water! flow pipe gets warm but it stops cold meter away from bolier!
combi boiler hot water but no heating!
- Thread starter bluenose1uk
- Start date
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you could try re typing that in english 
which flow pipe gets warm
how did you bypass the stat
which flow pipe gets warm
how did you bypass the stat
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