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    Hive to Vaillant ecotec plus 837 wiring help

    hi , after a bit of guidance on this. fitting a hive to ecotec plus 837. I see L & N at top of current receiver should go to L&N on hive Just not sure where the current L1 and LX wires should be moved to on the hive .? Any help gratefully received. Thanks in advance.
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