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Mend Worcester Bosch Combi 80 Heating Timer

heating staying on when timer is off?

hi my combi 80 heating is staying on when the timer is off, the only way to turn the heating off is to switch off completely from the wall, can anyone help?

ian turner
November 2008

Worcester Bosch Worcester Bosch Combi 80 Heating, Home Heating Systems Heating Timer Worcester Bosch

if your boiler is a baxi 80 echo, then the 3 way microswitch on the water valve is stuck in open position. do not use boiler until you change!!!!! boiler thinks hot water on all the time, will cause many problems including divertor valve, p.c.b. peterbow

peterbow
November 2008

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Worcester Bosch Combi 80 Heating Stays On