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if the water in the pipes freezes, it will expand and break the pipes.
if the water in the pipes freezes, it will expand and break the pipes.
if the water in the pipes freezes, it will expand and break the pipes.
The water in your pipes will freeze, and then burst!
It is important to protect water pipes so they don't freeze because when water freezes, it swells. If water is trapped inside the pipes the pressure from it swelling will cause the pipes to burst.
If you didn't, they could freeze in the winter and burst.
You gave the answer in the last part - you don't want them to freeze and burst during winter.
Water expands when it freezes. If water pipes are allowed to freeze then the pressure of the expanding ice inside them will fracture the pipes. Then when the temperature rises so that the ice melts, the pipes will leak - with resulting damage.
Because if they freeze they may burst, then you will have a mess and no water.
I see no reason why you would insulate them. When you close your pool for winter you will purge (empty) your pump and pipes. The water in the pool would freeze long before the water will in the pipes under ground.
if the water in the pipes freezes, it will expand and break the pipes.
Insulating the water lines in your home can save you money and trouble. Water can collect in your pipes. In the winter this can be especially troublesome as the pipe could freeze. If this happens, the force of the water expanding during freezing can cause your pipes to break. Insulating the pipes can help avoid this from happening.