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    Wiring Nest heatlink to Vaillant ecoTEC 937

    Hi, 1st post and I'm a bit of an amatuer (can do basic wiring) so be gentle... Basically I need to wire a 3rd generation Nest Heatlink to a Vaillant EcoTEC 937. Could someone please relate the Nest instructions to the boiler wiring diagram for me? I'm not sure which Nest instructions I should...
    • Droler
    • Thread
    • 937 boiler boiler control nest nest 3rd gen nest gen 3 install vaillant vaillant ecotec wireless thermostat
    • Replies: 5
    • Forum: Plumbing and Central Heating
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