The Efficient Home Forum

You don't necessarily need to replace the valve in order to mount an HR91. Nine times out of 10, it'll fit direct or with an adapter, although I prefer to fit Honeywell valves anyway.

I get the random temperature overrides on HR80s and MT4 valves connected via BDR-91. Blasts of 35℃ are the latest joy to experience.

My Gen 1 Evohome was pretty flawless, but the new Gen 3 controller seems to be riddled with bugs.

I had this too when I swapped out the batteries (for Eneloop ones) - all the names had reset.

I wondered if it was because I set the names via the mobile app, so the controller hadn't properly saved them?

It seems that my new ATC928G3000 arrived (from Evohome Shop) with a new Weather Compensation feature that I quickly lost access to. The controller had two options: Hot Weather compensation and Cold Weather compensation, with in-controller help for each one. The feature was called something like ...