hi there does any one know why the fan runs on slow speed all the time
ive changed the pcb and pump(seperate faults) and noticed the fan is still running ?????
[quote="htg engineer"]Combi boilers give priority to hot water, if you run the bath you may find the heating will cool down abit, but unless your running the bath for 45mins to an hour - they shouldn't get cold. With the radiators cooling down that much, it's probably the wax capsule stick...
