drayton 3 channels

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    Drayton Wiser replacing ST9100C1006 CM927 CM907 BDR91 Megaflo

    Hi, please can someone help me. I have tried for days but cannot do it. Currently I have 2 zones and hot water run off a conventional boiler. The sytem works perfectly with my ST9100C1006 and the 2 thermostats (CM927, and CM907). I am looking to replace all with Drayton Wiser, mainly for smart...
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