Where is the fuse on a boiler?
Where is the fuse on a boiler? If you don't know where your fuse board is, you can look near the entrance of your property. They're usually installed quite high up, like this one in the picture. If it's not there, it's usually in the cupboard under the stairs. Open the flap and look for a fuse pointing down in the off position. What does it mean when your boiler is working but no hot water? If your boiler is working but there is no hot water or vice versa, then the issue most likely comes from a faulty diverter...