hi guys and gals
been at this job all day its driving me nuts
the boiler works on ch fine but doesent fire up when the the h tap is openned and then it does fire up when you open the tap, but when you close the tap it still stays fired up and showing d on the display, i have changed the dhw thermistor but has made no difference
i have removed the divertor valve accuator and pushed the cartiradge in it works fine but when i remove the acuator and turn the boiler on and off the accuator go's in and out
any help
please
been at this job all day its driving me nuts
the boiler works on ch fine but doesent fire up when the the h tap is openned and then it does fire up when you open the tap, but when you close the tap it still stays fired up and showing d on the display, i have changed the dhw thermistor but has made no difference
i have removed the divertor valve accuator and pushed the cartiradge in it works fine but when i remove the acuator and turn the boiler on and off the accuator go's in and out
any help
please