Re: Sprinklers - Pressure relief

["Petem" <petem001@xxxxxxxxx>]

"Jim Rojas" <jrojas@xxxxxxxxxxxx> a écrit dans le message de news:
45c1466a$0$28160$4c368faf@xxxxxxxxxxxxxxxxx
> It is a good idea to leave the inspectors test valve open for a couple of
> minutes, or until the water turns clear. I have been on inspections where
> the water comes out pitch black and has a real fowl odor.

Here the common practice is to leave the maximum of old water in the
system,to prevent new water full of oxygen to come in and help detoriate the
plumbing....

well that what's the sprinkler guys I know told me..