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by Dougal
Tue Aug 13, 2024 5:46 pm
Forum: Honeywell Home evohome
Topic: Adding a radiator controller.
Replies: 1
Views: 90

Adding a radiator controller.

I believe that the Evohome controller will switch the boiler BDR91 relay for any call for heat, that is, for an S- plan system, if hot water calls, the controller switches both the HW valve via a BDR91 relay and the boiler relay and if a heating zone calls then the controller will switch both that ...