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The boiler should be completely off during a pump overrun. Unless your boiler is designed in a way that the fan is trying to also cool the boiler in...

Thanks for clarifying but should the boiler fan also keep running? I say this because when the boiler is just circulating water (setpoint below...

A 3B+ will happily run Domoticz. But do be aware that Raspberry Pis are notorious for chewing through the limited write-lifetime of SD cards. There's...

A 3B+, as a safe option in my ignorant state.

I forgot to ask; What kind of RPi did you get?

I used to use Domoticz on Synology for years. But then gave up and moved over to QNAP, for the Virtualisation Station. Now I run Domoticz in an...

That is quite clear evidence that the OTB is doing a lot more than is being instructed by Evohome.

Here are all the types of requests seen by my OTGW. You can see there are a bunch of them with a period of around 1m45s. The DHW ones are odd,...

Reliance on an Internet feed for temperature was always going to run into these sorts of issues, especially with the lag involved in the update...

My OTGW sat unused for over a year and the moment I decide to sell it, because it made little sense to my setup, I could do with one - Typical isn't...

I’ve been thinking about Domoticz and was pleased to discover that there’s a version for Synology NAS, but then I discovered that it’s no longer...

In case this is of use to someone else ... It seemed that "signed decimal" lat/long for my location was working, but the data didn't update;...

It has just self corrected controller showing 3c and boost deactivated.

So previously, Evohome would request the boiler stats from the OTB every 5mins. It doesn't do that any more. It used to request the Control Setpoint...

Great. Might be useful to understand typical electricity consumption/costs too.

Bruce, how often does the Evohome controller communicate with the OTB? Maybe that frequency has changed and that influences how often the OTB reads...

The Evohome firmware upgrade cannot impact the frequency at which the OTB requests the boiler for the outside temperature. It could however be that...

My own system details here.

# Honeywell Jasper, HVAC? "08": {"type": "JIM", "name": "HVAC?"}, # Jasper equipment interface module "31": {"type": "JST", "name":...

From my previous house with Intergas boiler. The Intergas boiler returns fractional temperatures, its sensor was very accurate according to my...

So we think both 08: and 31: are Jasper products?

Very interesting. Could you please show me some more of these temperature messages, especially if you have the actual temperatures too. And...

Yes, that's right, approximately every 1m 45s. It's not OTGW initiated, it is coming from the OTB (T for Thermostat, B for Boiler): ...

I wrote the 'Dunno'. My best guess is that it is a Honeywell Jasper Stat TXXX: 2020-12-26T11:57:18.482643 082 I --- 31:012319 63:262142...

I'd have a fully assembled one.

Kevin, are you saying you have actually seen the OTB request the outside temperature ID: 1B from the boiler? I wonder why it does that thought. That...

It's worked well for me in both a radiator and now a UFH setup. I can hardly believe that the previous owner of my house had the UFH TMV set to 75C...

Out of interest Vaughn, what is your setup? I see myself eventually going down the GSHP route. My house was originally going to have one fitted but...