Which connector block do I use on a Greenstar boiler when wiring a Wave smart internet connected controller?
Depending on the boiler model, it will either be the BB connection or the EMS connection.
On the Greenstar CDi/Si Compact and the new Greenstar i model the connector block is marked as EMS.
The Greenstar CDI Classic range, discontinued Greenstar i Junior mk5, Greenstar Si mk4, the connector block is the BB connection on ST19.
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