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Posted by michael on September 04, 2004 at 12:00:57:
In Reply to: Refilling Worcester 28CDi Combi. posted by Tony on August 18, 2004 at 14:06:45:
Turn on water supply to the boiler (there is usually an in line tap on the heater feed in pipe somewhere under the boiler).
Leave water on until a pressure reading of just over 1.5 Bar is reached. Starting with the furthest rad from the boiler bleed the air out, then do the same with each rad up the the nearest to the boiler.
You will find that the heater water pressure may have fallen, in which case open the water supply again until 1.5 Bar is reached.
When the system is running and the water is hot the pressure will rise to around 2 Bar.
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