A: For waste water to properly drain, there must be air behind the water which requires a plumbing vent above the roof. In some instances, an automatic air vent or air admittance valve can be used ...

But what do you do when the air coming out of your vents smells like a sweaty sock ... Consumer Reports’ senior director of auto testing. “Basically, water collects in that area, and ...

The main drain pipe under the basement floor got clogged ... That’s a vital part of your plumbing system. It’s a vent pipe. You may have more than one. Many homeowners think plumbing vent ...

I really enjoyed the challenge of the three-dimensional problem-solving you have to do to run all the drain and vent pipes in a typical home. I wondered how it all worked and was lucky enough to ...

Plumbing vent pipes have to be sized correctly, they need to have a slope to them to drain any condensate back to the drain pipes, and they must be installed with great care. (iStock) Perspective ...

If you poke a drinking straw into your soft drink and place a finger over the opening, you can lift the straw out and the liquid in the straw will stay. Remove your finger and the liquid runs out.