nest 3rd gen

  1. D

    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
  2. J

    Replacing Centaurplus C27 with Nest Gen 3

    Hi I've purchased a 3rd gen nest to completely replace a horstmann centaur plusc27 programmer. It's controlling a mistral boiler and we currently do not have a thermostat. The wiring is just to complicated for me to work out. Could anyone help with what wires go where on the heat link...
  3. D

    Installation of Nest 3rd Generation (Vaillant ecoTec Pro 28)

    I've got a Next 3rd generation and would like some guidance on the wiring for the Heat Link as I'm struggling to follow the wiring diagram in the manual. Existing thermostat is Drayton Digistat SCR - wiring is shown in the attached picture. Can someone tell me what wires goes where? Does the...
  4. Chetz01

    Nest 3rd Gen Thermostat into Y Plan

    Hello, this forum has been helpful before so I thought I would ask something new! I have recently purchased a Nest 3rd Gen Thermostat and I'm looking to install it myself, the system seems to comprise of 2 parts, a Heat Link and a digital Thermostat. My house has a regular boiler fitted with...
  5. S

    Nest Gen 3 installation - replace controller?

    I nearly bought a Nest Gen 2 and would have been quite happy installing the Heatlink where my current thermostat is but now they have brought out the 3rd generation which has HW timer as well as CH I have some installation questions. I have: Ideal Minimiser SE boiler British Gas UP1 controller...
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