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Hi, I am looking for advise on a zoneing issue on heating system. I last year migrated to heatmiser uh4 wiring center, I believed I did the wiring correct and lived with it for a year. But this time being cautious about the utility bills I have been monitoring my usage. But I found an which...

Hi I have a valiant protec 28 combi boiler and is wired thru a honeywell 10 way junction box. I have to add some new zones so thought of getting a heatmiser uh4 wiring box but I am confused as to how do I migrate the wiring connections from the old to the new heatmiser UH4. All the connections...