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    Upgrading i-on50EX to support Internet Control

    I have an I-on 50EX panel and I need to upgrade it to support internet access/ alerting / control. My home phone provider is ceasing my telephone line. Unfortunately the guy that fitted the system has moved overseas and the few local guys I’ve contacted haven’t been particularly interested in...
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    Vaillant VR920 vs VR921

    Hi, Whats the difference between the VR920 and VR921? I’m looking to add internet control to my 700. Also which is the best Vaillant app or can you use any of them with these controls? Vaillant’s website isn’t too clear on this. Thanks Nathan
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    Upgrading from older Heatmiser controls to Vaillant 700/6

    hello all, I have a 3 bed home with UFCH downstairs and radiators upstairs. I have an ecotec plus 624 system boiler and currently all my controls are the older heatmiser prt/ts type. I have 3 seperate thermostats, the first controls the upstairs radiators, and two downstairs controlling...
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    No Hot Water to tap Unless I turn on the Cold tap too!

    Helloo all. I have a Worcester Bosch 30CDI conventional condensing boiler (still under warrantee) together with a Heatrae Sadia 250Litre Megaflow in the loft. I Also have wet underfloor heating which is run by the same boiler. This was all installed within the last year, and as I...
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