Battery powered thermostat to use in Europe

Hey everyone,

Recently I’ve been looking to ‘smart up’ my old rbm thermostat (rbm hp). I only have 2 wires coming out of the wall.
thermostat

I was hoping to use a Z-wave (battery powered) thermostat that uses 868.42MHz, but was unable to find any working with the European frequency. GoControl does have the TBZ48 but I believe it only works using 908.42MHz freq.

Can anyone suggest an alternative, even if not using z-wave?

Will be used in HA (rPi) using either a zooz zwave pen or zigbee cc2531.

Thanks

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Hey,

Thanks for the link. This is exactly what I’m looking for, but it doesn’t seem to be wired. How can you connect it to the Live wire?

Thanks

I will use a wifi or zwave switch If I was you, controlled by that thermostat thru HA. Then you even can get rid of that cable and put the switch near your heater. :wink:

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Hey,

The issue is that I don’t have a C-wire, hence the reason why I was looking for a battery-powered thermostat. Any other suggestion is most welcome :slight_smile:

Thanks!

I have 2 wires coming down, a live and neutral. My gas supplier in the UK provided a Nest Thermostat E which I have been using for approx. 2 years. It has 2 AA batteries behind the cover which is easily removable (opening a remote battery compartment is the same level of difficulty). It then has a wireless thermostat.

I must say, I do not like the way it is cloud based etc, but it has worked well for me. Also, when my WiFi was down I figured out I could set the heating to on/off by pressing the big middle button. Rather easy, at least :slight_smile:

EDIT: Have not yet had to change the batteries.

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Hey,

Thanks for the information. @rhyslhardy is your system working with a boiler or heat pump?

Thanks