sparks & pilot lights ,sparking continues no main gas goes to lock out,flame detect lead & ign lead in bit of a state ,will replace because of condition anyway,not sure if board prob as well
If the Ignition and Falme Rectification probes And Leads are in poor condition you should expect it to lock-out
Should be a straightforward job, but if over 60Kw will be classed as non-domestic and the person who works on the boiler should nave Non-Domestic Certification
www.elanar.co.uk
September 2009
your missing the point ,mend it ,not replace it .com...