vaillant 415

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    HELP !!! Replacing a Drayton RF3 with Hive.

    Hi All, I have a Drayton RF3 (British Gas PT5) thermostat that I would like to replace with a Hive. The boiler is a Vaillant ecoTECplus 415. There is no hot water control, so it is all done via the heating settings. Please help !! I'm totally lost on this one !! I fitted the Hive in my...
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