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  1. J

    SUNVIC 207XL / Glow Worm CH problem

    Hi all, I recently brought and moved into my first house and I’m having some trouble with the heating system. I was wondering if anyone could help me diagnose the issue. The heating system consists of a Glow Worm Ultimate 50 FF boiler controlled via a SUNVIC select 207XL programmer. The...
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