my boiler power light is flashing?
potterton netaheat 60 . nothing happening after programmer change?
potterton 16/22 pilot lihght out?
Potterton EP2000 - pump control?
potterton boiler keeps closing down?
My potterton boiler keeps losing water pressure and condens?
Boiler lockout?
Potterton Perfoma 24. Hot water works fine No heating?
why do I have to pressurising my boiler?