What does F3 mean on morco boiler?
What does F3 mean on morco boiler? If there is low pressure in the sealed heating circuit then the gauge will show 0.7bar or below and the display will show F3. GB24 and GB30. If there is low pressure in the sealed heating circuit the gauge below the boiler will show 0.5 bar or less and the display will alternate between “F” and “1”. What does DH mean on a morco boiler? To Domestic Hot Water: GB24-Propane Minimum 4.9 kW (16,600 Btu/h) What should I do if my Morco boiler is not working? If the problem cannot be resolved and...