"Dave Plowman (News)" wrote in message
...
In article ,
Doctor Drivel wrote:
I googled for info but its very limited. The plumber said there was a
drain on it to remove the dirt but to ignore it as it would never get
dirty as long as the inhibitor wasn't drained.

until the inhibitor loses is effect then corrosion starts.

You

Please eff off as you are a total plantpot.