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Mend Buderus wB 30 CDi Checked Years Pump

My wB 30 CDi will not turn off. Have checked frostset and motherboard?

It is 2 years old and was working ok until we found the pump overrun had not been connected ,this is now fixed - could this have caused the problem?

ken madrell
November 2010
BuderusBuderus wB 30 CDiHeating, Home Heating SystemsChecked Years Pump

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Buderus wB 30 CDi Not Turning Off - Help