Why do upstairs radiators hot and downstairs cold?
Why do upstairs radiators hot and downstairs cold? Radiators Are Hot Downstairs but Cold Upstairs Cause: This could be caused by a blockage in the ball valve, or if there is a lack of water in the feed or expansion cistern. Quick Fix: Check the ball valve and expansion cistern for blockages, and bleed the radiator to remove any air that could be causing issues. Why are I getting heat only downstairs but not upstairs? Second opinion] I have a 2 zone (upstairs & downstairs) hot water base board heating system. The boiler is working and I am getting heat...