when calling for heat or hot water boiler burner comes on for a few seconds then shuts down this continues why boiler is calling for heat or hot waterterry
the problem sounds like the ignition box (blue plastic part screwed to r.h.s. of gas valve) goes on 5 secs off 5 secs on 5 secs off 5 secs & so on . part no. 1837 about 100 - 110 quid + vat
