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Main boiler fault and error codes

Has your Main boiler developed a fault? MR Boiler Repairs has created a library of fault codes on Main boilers. This is to help you identify the fault you’re a experiencing with your Main boiler.

Select the model of your Main boiler to find information on fault codes and trouble shooting advice.


Book a boiler repair with us and we’ll offer you

♦  A fixed price repair

♦  With no call out fee’s to pay

♦  A call out time convenient for you

♦  12 months boiler breakdown insurance*


Main boiler models we have fault code information for











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