Discuss Advise needed - Wiring Up Room Thermostat in the DIY Electrical Advice area at ElectriciansForums.net

Well.... without wishing to ask an awkward question, have you read the instructions in the box for the new unit or consulted the manufacturers website?
 
Is it a combi boiler you are wiring this new one into?
If so and I may be wrong but I'd need to have another wire at stat position. Live/neutral. Then from the "link" in the boiler, a flex/cable going to common (brown for example) then Blue to no contacts. It may be possible to link live to common depending if the boiler is 230v switched..... But I'd check with manufacturer as new controller may not take 230v switching...
 
I'm assuming you're not an electrician Andy so I've moved this to the DIY section for you.
 
Well.... without wishing to ask an awkward question, have you read the instructions in the box for the new unit or consulted the manufacturers website?

Hehe thanks for reply , yes checked there website and instructions but wanted to be sure that I got this correct before wiring up, I post a pic of what boiler we have if that will help, and I contact manufacturer see if they can help. Thanks
 

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