Home Automation Domotica Forum Europe, Bwired Forum

In the mean time I have looked at the thermostats you mentioned : - could not find the Honeywell Round Modulation with button for DHW; only the basic wired and wireless versions (I have got the wired version T87M), seems Honeywell now markets these under resideo.com, - Thermosmart : went bankrupt 05...

You are correct; haven´t got a clue why the tool tips did not show up earlier, but they do now :oops: I will have to go through the OpenTherm spec again (probably many times). Rather cryptic descriptions and use of terminology (e.g. try to find a DHW Comfort function - or if you like DHW pre-heat fu...

@Schelte: I have tried both Brave and Firefox browsers (under Linux Mint), but I don´t get any tooltips when hovering the mouse cursor over the MsgIDs .... I did find the Opentherm protocol spec, a.o. on Ihor Melnyk´s site, which contained all the protocol layer descriptions.... but no list of MsgID...

Great - thank you for your quick reply ! I did come across the remark in the Intergas installers manual about setting DHW to ¨eco¨ and param 74=0, allowing for an Opentherm thermostat which supports this function to switch it on and off. So I initially looked for such a thermostat and found .... non...

I have an Intergas Xtreme24 boiler, with Honeywell Round Modulation thermostat. It provides heating to the whole house, but hot water only for the shower. Intergas provide a DHW ¨Comfort¨ function, which can either be ¨off¨, ¨eco¨, ¨on¨; for this discussion I will ignore the ¨eco¨ mode. When ¨on¨ th...