Thank you for your reply Ian,
By the highest point I'm guessing you mean the highest radiator, which would be the towel rail. Opened the vent, a moment (2 sec) of air then water firing out nicely.
I don't think there are any valves higher than that, not in loft as F&E is open vented. Couldn't...
Hi,
I'm hoping for some help with my home Boiler/CH System.
I have an old Potterton Rs50 and have had a problem these last few weeks with the CH. Boiler seems fine for HW only, but when the CH System is switched on too, it runs for a few (maybe 10) minutes then the pilot and main burner are...