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Alpha boilers and nest thermostat

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Discuss Alpha boilers and nest thermostat in the Boilers area at Plumbers Forums

S

Skillfour

I have no thermostat on my alpha evoke 28 boiler I bought a nest a0063 but not sure which wires go from where on boiler to where on my thermostat which are as follows
Y1. Aircon (not got)
G fan (not got)
R power
W1 heat
C common
Ao* heat pump
My boiler has various various empty chambers
 
Wrong instructions also shouldn’t be messing inside the boiler if your not qualified
 

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