why do I have to pressurising my boiler?
My potterton boiler keeps losing water pressure and condens?
my boiler power light is flashing?
Potterton Perfoma 24. Hot water works fine No heating?
Not hot water?
Potterton proforma system boiler 18 he?
Intermittent hot water fault on my Potterton Performa 28?
Potterton Prima 60F- can you start it manually?
potterton netaheat 60 . nothing happening after programmer change?