There are many reasons for the pressure on a boiler to drop. In this particular case it was down to an expansion vessel that had lost its air bubble. Every time the heating was used the pressure dropped. This is the classic symptom of a expansion vessel in need of a service. The solution isContinue reading “Why does my boiler pressure drop?”
Tag Archives: pressure
F1 fault on Ideal boiler
An F1 fault is caused by low water pressure in the boiler / central heating system with an Ideal boiler.
Filling loop left open
What to do if the filling loop left open