Capacitor has already been changed, forgot to mention. Yes to humming noise but not the ordinary louder noise of the motor/pump.
Sorry I can't answer the other questions but have attached a couple of photos if they help...
Hi there,
We have just returned to our property after a few months of having left everything switched off. Now our boiler will not work at all. Here are the details:
-Danesmoor 20/25 oil boiler with Bentone B11 burner.
- The system has power and the reset button functions but you do not hear...