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I've got one that doesn't work as expected, it only fires the boiler up when it wants...I need to replace it.

I've got a wireless room thermostat that doesn't work as it should work and I would like to disable it so the boiler will work on the internal CH controller. I know how to set up the internal controller but it seems that I have to make some conexion in the cartridge box (the one with the...

I've got a wireless room thermostat that doesn't work as it should work and I would like to disable it so the boiler will work on the internal CH controller. I know how to set up the internal controller but it seems that I have to make some conexion in the cartridge box (the one with the...

My boiler is a Ultracom CXI 38

I had the same problem and yesterday I had someone coming to my place and after few attempts he managed to disable the wireless room controller (the wireless unit on my wall) and now the boiler works on its own CH controller (internal). It seemed that in my case it was something wrong with the...