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replacement for a Honeywell CM927

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RETC2022

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Hi,

Does anyone know what product is a good replacement for a Honeywell CM927 wireless thermostat controller and BDR91 Relay Box that controls my electric underfloor heating?

I assume it needs to be another Honeywell product and the T4 wireless thermostat but I haven’t found any guidance on whether it’s compatible with electric underfloor heating.

Thanks in advance for any advice!
 
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Replacing Honeywell CM921

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