potterton 80 combi boiler Help and information on all topics relating to your central heating, air conditioning and ventilation issues.

[Mark only useless]

Hi i have a pottereton 80 combi boiler it will run the domestic hot water but when you put the heating on it will fire up and run for 5 minutes or so then switch off and will start again but it will not keep running it has had a new PCB Modulation board fitted recently when you put the hot tap on the pump runs ?

[htg engineer]

With heating on, does Hot water pipe get hot ??
htg