Many older houses in Minneapolis and Saint Paul have an old style of plumbing trap called a drum trap, which ...Read More
What’s faster: vented or unvented drains?
What drains faster, a vented or unvented drain? For every side-by-side test that I have ever conducted, the ...Read More
Air admittance valves
Air admittance valves are mechanical devices that take the place of plumbing vents. They're inexpensive, they ...Read More
Plumbing Vents, Why Houses Need Them (forget the water bottle analogy)
Plumbing vents protect plumbing traps. They don't make fixtures drain faster; in fact, they do the opposite. ...Read More
Plumbing Traps
A plumbing trap prevents sewer gas from entering your home. At least, that's what it's supposed to do. Every ...Read More
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