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i've decided to order anyway in the hope that Opentherm will be f/w updatable on the controller at some point - Drayton themselves seem to think it will, but no eta :(

bugger! any alternative suggestions to Wiser, ultimately i just want a nice easy way to control all my TRV's don't care about anything else.

if it turns out it is using it , is it a big issue if i go ahead with the 3 channel wiser?

no sticker :(

how do i know?

ok, so my boiler is an ideal logic heat h15 - apparently according to the specs it is open therm capable and the wiser 3 channel isn't - is that likely to be an issue?

Not sure if trust myself doing that :(

Is replacing the existing room thermostats relatively simple to do?

thank you, to clarify this is my boiler: i've not purchased the Wiser stuff yet, but it does come with 2 wireless room thermostats which i plan on wall mounting in place of the existing ones. are you saying for the programmer that i should theoretically just be able to swap over the current...

So we have a new build with a Evoqyl Therma Q boiler that has 2 heating zones and a therma programmer. i am thinking this is a 3 channel and can be replaced by a Wiser 3 channel controller to make the system smart, so before i order i took of the controller and looked at the wiring and am now...