potterton 80 combi boiler


Postby Mark only useless » Fri Oct 03, 2008 9:23 am

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 ?
Mark only useless
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Joined: Fri Oct 03, 2008 9:08 am

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