just replaced divertor valve, tested water and heating and was working fine, just put all the covers back on, and now pilot light is on but the boiler will not fire up when the tap is on or heating, really stressed as at least before i had heating and some hot water, now i have no heating and no hot water at all, any help appreciated, my email address is mailatgroupavanti.co.uk thanks

Imran, March 2010