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    Siemens REV 24RF connection to Vaillant Ecotec 837Combi

    Hi All, Can someone please advise me on how to fit a Siemens Rev 24RF wireless Programmer to a Vaillant Ecotec 837 Combi? The Ecotec has a live, Neutral and Earth terminal connected to the main supply which powers the boiler, the boiler also has terminals 3, 4 and 5 The Wireless...
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    Vaillant VRT 360f wireless roomstat

    I have a Vaillant eco tec plus 837 boiler which was installed at the start of this year at the same time had a VRT 360f wireless roomstat fitted, everything has worked fine until about four weeks ago, when the boiler started switching on in the middle of the night, the eco temp is set low enough...
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