One of the biggest problems every homeowner faces is how to prevent their water supply lines and drain pipes from freezing, especially in areas with harsh winters. That’s why plumbers try not to run such pipes in exterior walls of new homes. However, there are still many old homes with plumbing in exterior walls, which poses a great risk when it comes to freezing. Luckily, there are some steps that can be taken to prevent a great damage. Ideally, such pipes could be moved and the problem would be solved. If, on the other hand, moving is not an option,

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