On Nov 2, 10:47*am, "John" wrote:
Thanks to all,
I bought Fernox Super concentrate, all I had to do was turn of the
valves on the radiator, remove the bleed screw, insert the adapter,
open wheel valve, pump in the inhibitor, close the wheel valve and
close the vent screw. Re open valves to original positions.

Very easy and quick, the inhibitor comes in a silicon type tube and
you use a silicon gun for pumping it in, the product comes with all
adapters.

Although it may sound tedious, it wasn't bad at all.

Sounds a good product - but not sure how you managed to inject a quality of
anything into a full radiator with the valves off - so there was nowhere for
the displaced liquid to go.

Perhaps there was some air space.

Sounds a good product - but not sure how you managed to inject a
quality of
anything into a full radiator with the valves off - so there was
nowhere for
the displaced liquid to go.

Perhaps there was some air space.

I was surprised, the instructions mentioned nothing about draining,
you do have to replace the bleed cap quickly though, to prevent it
spitting back out.