What protective measure is taken against freezing in water systems?

Insulation of pipes is an effective protective measure against freezing in water systems because it helps to retain heat within the pipes. When pipes are insulated, they are covered with materials that minimize the transfer of heat to the surrounding environment, thus reducing the likelihood of water inside the pipes freezing during cold conditions. Insulation maintains a more stable temperature in the pipes, ensuring that the water remains above the freezing point even in colder climates.

Using antifreeze chemical solutions might seem like a viable option, but it is often not practical or appropriate for many water systems, especially those used for potable water. Maintaining high water pressure can help prevent the formation of ice to a degree, but it is not a foolproof method. Regularly flushing the system is more related to maintaining water quality and preventing stagnation rather than directly addressing the risk of freezing.