pressure gauge has fall below 1 bar?
hot water going hot and cold, burner coming on and going off?
heatline compact s24 boiler?
Heatline boiler ignites and then the flame goes out?
Heatline viso 24 plus pump fault?
How can I fix my pcb heatline s 24?
heatline solaris?
What can I do when my Heatline C24 boiler continuously cuts out?
dip switches positions ?