Two identical looking room thermostats, what is the differen

[MisterBoy]

For an EvoHome multizone setup, are these both usable as per-room thermostats? What are the differences between them?

Screenshot_20180102-132853.jpg (211.82 KiB) Viewed 376 times

[MisterBoy]

Now I found a 3rd... Honeywell DTS92E1020 Wireless Digital Room.

I'm continually struggling to figure out what products are compatible with each other and EvoHome, since Honeywell do other ranges; is there not a single table listing this, or a nice brochure for EvoHome? I have my core system set up but feel in my large house, some non typical additions could be really helpful if only I knew what was available!

[Richard]

Honeywell evohome brochures are on Honeywell's website (PDF downloads)...

http://www.honeywelluk.com/Documents/Al ... NAL_LR.pdf

http://www.honeywelluk.com/Documents/Li ... 0pages.pdf

T87RF is thermostat only and Y87RF is thermostat and BDR91 wireless relay box - https://theevohomeshop.co.uk/25-wireless-thermostats

[MisterBoy]

Then why the DTS92? It looks like an old fashioned version but does the same?

[Richard]

Does different things and marginally cheaper...

[MisterBoy]

Maybe I should ask, if I have HR92 in my room for an existing EvoHome setup and just want the cheapest wall thermostat, which is it?

[Richard]

DTS92E is the cheapest stat...