In article ,
gastec wrote:
In general terms they hold good for around 15 years with 3 complete
draindowns.....IT IS NOT GOOD TO ADD CHEMICALS TO YOUR SYSTEM unless
there is a specific reson.

The reason is to prevent corrosion to the steel parts like the rads.

..If you add fernox incorrectly it will solidify and block your cold
feed...its will then eat away at your pipe causing a water leak.

So a corrosion inhibitor causes corrosion? Think you might be able to sue
if it did.

.seek advise from a qualified gasman.

Oh dear. The likes of you?

...if you really want to enhance the lifetime of an old system..POWER
FLUSH IT

Ah. Now the plug for a vastly overpriced service.

If you've used the correct inhibitor there won't be anything to 'power
flush' out.

--
*Could it be that "I do " is the longest sentence? *

Dave Plowman London SW
To e-mail, change noise into sound.