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    Wiser Smart TRV Issues

    There appears to be a few posts on Wiser TRV's. Ridiculous flaw in the Drayton Wiser system This one is for schedules changing and opening vales at the wrong time. and another on the schieder wiser forum. Wiser TRV not fully closing I have a system with 9 x smart TRV's fitter Oct 22. All...
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