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ravenheat csi85(T) 780series?

boiler works fine on dhw setting butwill not work on ch mode,i have tested thesummer/winter switch and is ok.has anybody had same problem and know how to fix it regards dave

dave .walsall
November 2011
RavenheatHeating, Home Heating SystemsBoiler Works Dhw Work
Dave, did you get anywhere on this? I am having a similar problem?

Brigitte
September 2012
Dave, did you get anywhere on this? I am having a similar problem?

Brigitte
September 2012

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