The control knob sits on one of the spindles located on the front of the appliance and allows the user to manually control certain aspects of the appliances operation. Some boilers allow you to change temperature and some even allow you to change the curr
Fits a number of Worcester Boilers
Manufacturer Model No
One or more item(s) in your basket aren't available for delivery to
Unfortunately, we were unable to find any substitute items to replace them with. To continue with the order we will have to remove them from your basket.
If you would like to prevent any changes, press cancel.