Believe it or not, an unvented plumbing fixture will actually drain faster than a vented fixture. Watch this side-by-side test to learn more about unvented plumbing fixtures and what you need to know going into your Minnesota home inspection. To see our original test, go to    • Plumbing vents: forget the water bott...   or learn more tips on our Minneapolis Home inspection website at www.structuretech1.com