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    Central heating control problem

    It has been a while since I last posted butii was unable to get down to my in-laws to take another look, however after making the trip, my father-in-law has told me that he is getting an engineer out to take a look at the system to make sure it is all OK and give it a service. The system all...
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    Central heating control problem

    Echo, when I say cut short I meant cut shorter, the earth was roughly 4" long and wouldn't fit within the back plate as it is very cramped so I cut it back to around 1.5" and terminated it in a block behind the stat. This should leave enough wire should the stat require changing again in the...
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    Central heating control problem

    Went and had a quick look after work to satisfy my curiosity, and after further inspection of the hot water cylinder and airing cupboard i cannot find any M/V. I was expecting to find a 3 port valve or at least 2 single zone valves so that i could check the position indicator, however there were...
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    Central heating control problem

    Steelmasons thanks for your reply. Unfortunately i did not have my multimeter with me at the time so in answer to your question I do not know. I can only assume at this time that there is voltage as the system has been working, albeit perhaps not correctly, however I will check when I next get...
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    Central heating control problem

    Hi all This is my first post so please forgive me if I am in the wrong forum. My father in law asked me to change the room stat in his house recently from an old dial type to a more modern digital style. having performed this task in my own home and for my father, I was confident that I could...
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