Using Heating and Hot Water at the same time

Reed_Richards

Something has to be mis-wired or mis-programmed (or both).  But the consequence is that your heating takes priority over your hot water so when both are set on On the heating always wins.    

ImranQ

Reed_Richards said:

Something has to be mis-wired or mis-programmed (or both).  But the consequence is that your heating takes priority over your hot water so when both are set on On the heating always wins.    

Thank-you. I wasn't 100% sure where to look initially but I have a few areas to investigate now, starting with the Nest.