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Potterton Prima 40 B fault?

hello, can anyone help? Our gas boiler has developed a fault( christmas eve) pilot light all okay but boiler will not ignite. Every thing seems to be okay but main burner will not fire up when central heating/ hot water selected.

Geoff GSXR
December 2009

Potterton Prima Heating, Home Heating Systems 40 Fault Hello Help Boiler

Hi geoff,

did you get your boiler sorted ?

Was it a fault on external selector control

I have the same boiler and we have to select both HW and CH to have heating

We cannot work CH on its own

We have just inherited this boiler in new house and looking for answers ... as this seems like another fault ?

mondo
January 2010

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