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2. How to prevent pipes from freezing in your home (and how to ...

   www.aol.com/prevent-pipes-freezing-home-thaw...

   The best way to deal with frozen pipes in the winter is to prevent your pipes from freezing at all. So, take the proper precautions to ensure you don't end up in that situation. Drain all water ...

3. Backflow prevention device - Wikipedia

   en.wikipedia.org/wiki/Backflow_prevention_device

   Water pressure may fail or be reduced when a water main bursts, pipes freeze, or there is unexpectedly high demand on the water system (for example, when several fire hydrants are opened). Reduced pressure in the pipe may allow contaminated water from the soil , from storage, or from other sources to be drawn up into the system.

4. Sleeve (construction) - Wikipedia

   en.wikipedia.org/wiki/Sleeve_(construction)

   A general practice is to size the sleeve two NPS (pipe sizes) up from the diameter of the penetrant. For example, a 4" pipe, with 1" of thermal insulation makes a 6" penetrant (1" pipe covering on each side of the pipe), plus two pipe sizes = an 8" sleeve, creating a 1" annulus.

5. Sleeve valve (water) - Wikipedia

   en.wikipedia.org/wiki/Sleeve_valve_(water)

   Additionally, unlike conventional control valves the sleeve valve increases flow incrementally, i.e. 10% increase in stroke leads to a 10% increase in flow. Sleeve valves are adaptive to system or consumer requirements. The sleeve valve is designed to meet the requirements and allow for a wide range of variability of function.

6. How homeowners can prevent pipes from freezing during winter

   www.aol.com/weather/homeowners-prevent-pipes...

   Prevent clogged drains. Regularly pour boiling water down drains to help break down soap scum and grease buildup. Making a simple mixture with common household items and using them in sinks and ...

7. Trap (plumbing) - Wikipedia

   en.wikipedia.org/wiki/Trap_(plumbing)

   Water seal in drain pipe under a sink. Water enters at right, fills the trap, and continues left. Inverted siphoning occurs below the line "A". Examples of traps [further explanation needed] In plumbing, a trap is a U-shaped portion of pipe designed to trap liquid or gas to prevent unwanted flow; most notably sewer gases from entering buildings ...