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Wiring diagram combi

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Scott_D

Scott_D

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would anyone have a wiring diagram for a combi with 2 heating zones?
Been asked to fit 2x nests
Maybe out if my league but wanted to do some research
 
Boiler ?
 
Got one for a vogue if that would help
 
as requested

S Plan Wiring Ideal Vouge With Nests.png
 

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