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by wfh118
Tue Dec 27, 2016 5:12 am
Forum: Hvac, Heating Opentherm Forum
Topic: NEST 3 compatability w/OpenTherm
Replies: 5
Views: 9908

NEST 3 compatability w/OpenTherm

I am trying to install a NEST 3 UK version on a BAXI LUNA HT 330 Combi. The interface is Siemens OpenTherm motherboard 567715.2 using a QAA73.110 controller. Boiler installed in 2006. Installation of Nest and Heat Link unremarkable. Thermostat initiated properly, recognizes OT interface present (rad...

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