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  2. Tap (valve) - Wikipedia

    en.wikipedia.org/wiki/Tap_(valve)

    Wall hydrant, same as "hosebibb". Tap generally refers to a keg or barrel tap , though also commonly refers to a faucet that supplies either hot or cold water and not both. [ citation needed ] It also appears as a descriptor in " tap water " (i.e. water purified for domestic use).

  3. Trace heating - Wikipedia

    en.wikipedia.org/wiki/Trace_heating

    The contactor or controller may include a thermostat if accurate temperature maintenance is required, or may just shut off a freeze-protection system in mild weather. Electrical heat tracing systems may be required to have earth leakage (ground fault or RCD) devices for personnel and equipment protection. The system design must minimize leakage ...

  4. Backflow prevention device - Wikipedia

    en.wikipedia.org/wiki/Backflow_prevention_device

    Backflow prevention device. The simplest, most reliable way to provide backflow prevention is to provide an air gap.An air gap is simply an open vertical space between any device that connects to a plumbing system (like a valve or faucet) and any place where contaminated water can collect or pool.

  5. Holiday Travel Forecast: Potential Problem Areas For The New Year

    www.aol.com/christmas-travel-forecast-potential...

    Here's a look at where rain, snow, even fog could slow you down if you're traveling around the New Year's holiday.

  6. How to make delicious hot chocolate from scratch

    www.aol.com/delicious-hot-chocolate-scratch...

    Where to shop today's best deals: Kate Spade, Amazon, Walmart and more

  7. Denzel Washington sets new record after wild year of ... - AOL

    www.aol.com/denzel-washington-sets-record-wild...

    Legendary actor Denzel Washington caused a buzz with fans after he hinted at his Hollywood retirement, had a heated exchange at a New York event and became a minister.

  8. Faucet aerator - Wikipedia

    en.wikipedia.org/wiki/Faucet_aerator

    When an aerator is added to the faucet (or fluid stream), there is a region of high pressure created behind the aerator. Because of the higher pressure behind the aerator and the low pressure in front of it (outside the faucet), due to Bernoulli's principle there is an increase in velocity of the fluid flow.

  9. Thermostatic mixing valve - Wikipedia

    en.wikipedia.org/wiki/Thermostatic_mixing_valve

    These are single Outlet Thermostatic Mixing Valves, often called "thermostatic faucets", "thermostat taps" or "thermostat valves". Designed for single point applications, such as individual showering, hand wash basin mixers, bath or tub fillers; High level protection against scalding and thermal shock