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Harry Bloomfield, Esq.[_2_] Harry Bloomfield, Esq.[_2_] is offline
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Default Boiler installation - flushing

brought next idea :
If the old one's still in circuit, there is no mystery.

If not, boiler pipes can be short circuited for pumping.


I agree, really stupid to flush after a new install - that will flush
into the new boiler.