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Hi All. I recently found out my thermometer (Honeywell) dial is not working so I am looking to replace (located on landing). We have a Potterton programmer EP2001 by the boiler. You cannot set seperate on and offs times for the HW and CW. My question is to be able to set seperate on and off...

Thanks very much for your help @stem

Apologies with some of my explanation! Yeah it seems to turn on or off when I twist around this level of degrees, once on only way for it to turn off is to twist to the left OR turn off at the programmer. Temperature on dial being met doesn’t turn it off etc. In terms of replacement what is the...

Hi Stem looks like it has 3 going into it - another picture to make it clearer...

Hi Stem, so I opened it up see attached before and after - the little white thing next to 20 degrees looks interesting almost like a marker? So if I move the dial to a little less temp about a degree to the left the heating would turn off - room temp is 18 degrees, it would turn back on if I...

Hi Stem, yes it does make an audible click it always seems to be around the same mark 12/13 degrees which doesn’t match up with the seperate thermometer as room temperature... My initial thoughts (I have no background in this) was that the copper inside the dial could be broken? Or we have not...

Thanks hertsboiler I did read this somewhere - is there anyway to test this theory? And I presume by motorised valve we mean this thing... (attached)

Hi All, this has been an issue for over a year now in a new house (obviously didnt use heating during summer) - so this could be set up is incorrect or something is broken - since i have moved in i have not known it to work. We have a Glow-worm HXI18 Boiler, a Honeywell temperature dial and a...