On Mon, 01 Dec 2003 10:23:31 +0000, Christian McArdle wrote:

The pump works fine but on starting the central heating after
completing the job the boiler would not work properly.

It sounds like some sort of cutout is operating. Are you sure that the pump
is working OK? In particular, did you reopen the isolating valves?

Are yes that one, along with failing to put the gas back on after purging,
pouring the contents of a removed waste trap down the nearest waste.
forgetting to switch on the plug before pushing back an appliance into its
hole...

Its some sort of circulation failure, could even be a dry pump. You did
bleed the pump by removing the end cap...

--
Ed Sirett - Property maintainer and registered gas fitter.
The FAQ for uk.diy is at www.diyfaq.org.uk
Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html
Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html