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I have a ravenheat CSI120 boiler ?

After draining nthe system to remove a radiator the heating will not fire up ~ any ideas??
John, April 2011
Thanks, but we have tried that

John, April 2011
Only a guess but is the water pressure in the system high enough usually about 1 bar but manual should tell you exact

brian, April 2011
link Click here to see other fixes for Ravenheat.