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My central heating system is now doing the job it is installed for, had two cold rads for some time, I had a power flush and fitted a MagnaClean filter, this has removed a lot of crud, we have been able to turn the house thermostat down to 19.5C and live in comfort for most of the day, most...

This particular unit has been serviced by a RGI Pro, overheat lock out still occurs very very occasionally, I have now turned the boiler thermostat down to about 11 o'clock (from 12 o'clock) -since when it has not failed, I now think it may have been simply running too hot, -what do you guys...

I have a leak from the black flow switch when the boiler has cooled down, it amounts to more than a jam jar of water over night & is yet another example of poor Baxi engineering,,, access to change the switch is not simple due to tight fit of surrounding parts, & system drain down etc. Any...

Agile, powell30, thanks for your comments & spelling lesson -it was a typo really! Of course I also totally agree most of this work must be carried out by a RGI, -certainly where the majority of clients are concerned. (I received training in the past & have also watched the Homeserve & other...

My Baxi 100/2 HE PLUS - is 4 1/2 years old, it replaced a 4 year old Baxi Barcelona condensing boiler which was so unreliable that Baxi agreed to provide a new unit at a special very low cost. Now this 100/2HE has started locking out on overheat i.e. the red light flashes. When I press reset...

It may be the flame failure probe or the ignition spark unit not working correctly, easy to replace & worth a try. However I find a gentle wire brushing of these three items keeps them working between each service as they are in the flame & become covered in a white deposit, watch the spark gap...