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2. How to Fix Your Frozen Pipes, According to Experts - AOL

   www.aol.com/keep-pipes-freezing-winter-according...

   If your pipes are exposed, we recommend using a hair dryer, heating pad, or space heater to help thaw your pipes and get water moving again. (Note: Never leave the latter two methods unsupervised.)

3. Automatic bleeding valve - Wikipedia

   en.wikipedia.org/wiki/Automatic_bleeding_valve

   An air release valve on an elevated section of a large diameter lavender-colored pipe. A working system should not generate further trapped gas. Air may be drawn in if there is a small leak, or dissolved air in make-up water may come out of solution, but this generally indicates a system leak if new water is needing to be added.

4. Air lock - Wikipedia

   en.wikipedia.org/wiki/Air_lock

   Air lock problems often occur when one is trying to recommission a system after it has been deliberately (for servicing) or accidentally emptied. Take, for example, a central heating system using a circulating pump to pump water through radiators. When filling such a system, air is trapped in the radiators. This air has to be vented using screw ...

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

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

   Running water through your home's pipes will help prevent water from sitting and freezing. Keep your home's thermostat set to the same temperature both during the day and at night. This will ...

6. Should I turn off water if pipes are frozen? How to keep ...

   www.aol.com/turn-off-water-pipes-frozen...

   What to do when water pipes freeze. Here are tips from The Red Cross. If you turn on a faucet and only a trickle comes out, suspect a frozen pipe. Likely places for frozen pipes include against ...

7. Heat trap - Wikipedia

   en.wikipedia.org/wiki/Heat_trap

   Heat traps are valves or loops of pipe on the cold water inlet and hot water outlet of water heaters. The heat traps allow cold water to flow into the water heater tank, but prevent unwanted natural convection and heated water to flow out of the tank. [1] [2] Newer water heaters have built-in heat traps.