Our combi Boiler wont switch on the fault code is saying that there is low water pressure in the central heating circuit?? Is there anything that i can do to fix it or shall i call a plumber????
increase water pressure
fill loop, a valve on a metal braided flexible pipe, connected to the return on your boiler, open it until you get reading of 1 bar, or error stops, do it slowly, keep checking, do not want to overfill. If you keep losing pressure, you have a leak somewhere.
SD
January 2012
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