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Worcester 34CDI


I have the above boiler with 2 zones for heating - underfloor and normal thermostat controller radioators.

The thermostats for both are controlled by a Heatmiser RC1-W wireless controller linked to 2 x Heatmiser PRT - WTS controllers.

Whilst both systems are on the registration setup, i was eventually directed to contact customer services who told me that tado isn't compatible with my heating system.

Can anyone tell me if it's the boiler or the control system that is not compatible? I will happily change the control system if anyone can recommend a system that is compatible. Obviously changing the boiler isn't a realistic option!

Thanks in advance,



  • samdsamd ✭✭✭

    @Ethelred_unread Hello - love your handle! I have a Worcester Greenstar CDI Combi working fine with tado so I cannot see how your boiler is the problem. I really know nothing at all about your controllers so can't help there but if you went back to support and said you were willing to have your combi and zones controlled by tado devices, I cannot see why they would not give you a wiring instruction.

  • Thanks for the reply. I've gone back to them and also contacted some heating engineers locally to see if they can help.

    I hoped the boiler would be compatible as it's fairly new and electronically controlled now.

    I'll update when something happens!

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