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How do I light my Pilot Light for my potterton Profile Boiler?

How do I light my Pilot Light for my potterton Profile Boiler
Paul Harris, December 2008
The sequence is as follows...

Call for Heat (Thermostat + Programmer)
Fan Runs
Pressure Switch detects fan running - tells PCB
PCB opens pilot gas valve and makes spark
Pilot lights (automatically)
PCB senses heat from pilot light and opens main gas valve
Main Burner lights...

Peccavi, December 2008
link Click here to see other fixes for Potterton.