Grant Oil Boiler - Pro utility 15/21 Not firing

Just checked - photocell has been changed as well.

Burnerman - Think so, they tried alternate burner motor also I believe. What would this achieve?
 
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If the coil is disconnected from the fuel pump, the oil won't be allowed through so you can see the ignition spark.....best to keep the burner pointing into the boiler, even use a mirror!
We don't know the state of the flue passages through the boiler so far...just from the descriptions it seems that the burner was lighting up, then going out, then trying again?
That could indicate too much air blowing the flame out, an interrupted fuel supply or flue obstruction possibly.
A photocell fault would usually allow the thing to light, and then shut down after a few seconds.
John :)
 

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