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Mend Ravenheat 820/20 Heating Timer

Digital timer problem on Ravenheat 820/20?

The timer light comes on but the heating doesn`t come on.This usually happens after it has come on successfully twice in the day.Also the manual button sometimes comes on and sometimes doesn`t.Any ideas?

Jon R
April 2012
RavenheatRavenheat 820/20Heating, Home Heating SystemsRavenheat Heating Timer

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