Depends on the pressure and the size of the hole.
Pressure testing JG Speedfit plumbing
Dec 02, 2006
22 Replies
Please you please eff off as you a total dangerous idiot.
Also, one of the reasons to keep the system dry until you are sure of no leaks, i.e. trying to resolder a wet pipe, doesn't apply if there are no soldered joints.
However, air leaks are easier and quicker to find than water leaks.
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