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Ravenheat CSI 120T Nox: Hot water on but no heating?

How can I get the heating to come on? The hot water works, the thermostat clicks, but no heat is coming through to the radiators. Can someone please help me?
Thanks!

Davinia
June 2012

Ravenheat Heating, Home Heating Systems Water Heating Clicks

Its ok. Was having a blonde moment. The summer/winter button had been depressed by my husband without me realising!! oops! Sorry for wasting your time! Thanks anyway. :-)

Davinia
June 2012

ravenheat CSI 120T nox
GCN 47-581-??
DHW OK
NO CH
probably built in digital timer
can you hear relay inside timer CLICK when CH on?

manwithnoname
June 2012

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