Defining sometimes is difficult- it can do it twice a day then be fine for a week before it does it again.
When it's playing up, I'll open the hot tap, the fan starts but it doesn't fire up. I switch the power off and back on again and it fires up straight away.
With the heating, the fan...
Thanks for your replies.
I think the diverter valve has been replaced recently.
If it is the diaphragm, then why would it fix itself when I turn the power off and back on again?
Ocean Alpha 240x combi boiler problem
Just wondered if anyone can help me regarding my boiler.
Had it installed about 9 years ago and has now started playing up.
It has an intermittant fault- sometimes when I open a hot tap, the boiler does not fire up and the water is cold. If I cut...