What the Libra zodiac sign is all about: Libra is the seventh of the 12 zodiac signs, which begins its cycle in early fall every year during Libra seasonâwhich falls around September 23-October 22.
How it works. This schematic shows the component parts of a typical leak-down tester. The gauge on the right is held at a standard pressure by adjusting the pressure regulator while the gauge on the left shows an example reading of 85-or 15% leakage.
If it's a tub, lets test the tub filler, since we know the drain is not leaking, just turn on the tub filler and fill the tub. Let it run for 15 minutes and check. If you see your leak you've got a leak between the valve and the tub filler, there is probably a copper elbow or a joint that is broken.