On Wed, 12 Apr 2006 03:24:35 -0700, Mary Hinge wrote:

Two litres of Betz-Dearborn's finest Sentinel leak sealing fluid and
the problem persists (

Any other suggestions? This is really starting to get me down...

How long has it been in?
Expect to get some air out for the next few weeks - even a system which is
completely air/water tight will take some time to get all the air out.
Have you closed the auto vent yet?

--
Ed Sirett - Property maintainer and registered gas fitter.
The FAQ for uk.diy is at http://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
Choosing a Boiler FAQ http://www.makewrite.demon.co.uk/BoilerChoice.html