i have just drained my heating system to fix a leaking radiator pipe.i have turned the water back on and blead the radiators.when i have turned the heating on the pilot light went on then off after 5 mins.when you push the button in to relight the pilot light it go,s back out when you take your finger off.could i still have an airlock in the system?

mike, May 2009

The Thermocouple needs repalcing and nothing to do with the work you have done, the tehermocouple was on the point of failing before you turned off the gas to the boiler to drain it New Thermocouple will have the boiler up and running again

www.elanar.co.uk, May 2009