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Hi,
I have a Vaillant Ecotec Pro with a simple 24 hour time switch. I'd like to replace this with a modern smart thermostat. Most of the articles I've read mention a c-wire. I'm struggling to work out if this boiler has one. I've got the wiring diagram and it's not at all clear. I'm not sure how to add t from a mobile device so I will post again later if necessary.
Can anyone help?
Thanks,
Richard
I have a Vaillant Ecotec Pro with a simple 24 hour time switch. I'd like to replace this with a modern smart thermostat. Most of the articles I've read mention a c-wire. I'm struggling to work out if this boiler has one. I've got the wiring diagram and it's not at all clear. I'm not sure how to add t from a mobile device so I will post again later if necessary.
Can anyone help?
Thanks,
Richard