Could you all put your heads together and see if you can help out the following problem
The above boiler supplies central heating with no problems but when i switch my shower on the water gets excessively hot and shuts the boiler down,once cool the boiler can be reused
many thanks
The above boiler supplies central heating with no problems but when i switch my shower on the water gets excessively hot and shuts the boiler down,once cool the boiler can be reused
many thanks