Boiler not firing in heating or hot water mode perment piolt light fine..roomstat calling for heat...runn hot water tap her a small click from boiler but nothing...pumps runs...preassure also an issue keeps going low..checked expansion vessel its fine...any ideas???
Phoned Potterton they suspect water flow switch micro switch..maybe pcb...
any advice out there?
Phoned Potterton they suspect water flow switch micro switch..maybe pcb...
any advice out there?