The Efficient Home Forum

Your post is quite interesting as I had this in the last week as well. I also use Opentherm on my boiler. I am in the process of requesting an upgrade to the latest firmware as I appear to have been stuck on 02.00.17.03 but I wondered if mine was due to one of 2 issues: I had a radiator leak and ...

I'm only a user of EVOHome but will try to answer as much as I can. My valves open widely when required and then close down as the temperature gets closer - I've not noticed an issue with delayed heating up or overheating due to valves not closing down again. I only have HR92 valves on 5 radiators ...

I have a very similar question to the original poster. I recently bought an Evohome Conected Modulation pack. It's working great as a single system controller with OpenTherm. Due to the high upfront cost I wanted to add HR92 zones one at a time until my house is fully equipped, and accept that any ...