How can I fix my pcb heatline s 24?
f4 ironsation fault on boiler ?
Heatline viso 24 plus pump fault?
heatline vizo pressurizing?
Heatline boiler ignites and then the flame goes out?
Heatline boiler showing f5 fault?
Heatline combi boiler on 4 and going past what can I do?
hot water flow problem?
pressure gauge has fall below 1 bar?