How frequently must antifreeze systems be tested to ensure freeze point protection?

Antifreeze systems in fire protection should be tested annually to ensure they provide adequate freeze point protection. This frequency of testing is critical because it helps ensure that the antifreeze solution maintains its effectiveness in preventing freezing, which is essential in areas where temperatures can drop significantly. Regular annual testing allows for the verification of the antifreeze mixture's concentration and performance, ensuring that the system will function properly in an emergency.

The annual requirement aligns with industry standards and guidelines to ensure the safety and reliability of the fire protection systems in various environments. By conducting these tests annually, potential issues can be detected early, and appropriate measures can be taken to maintain the system's integrity and effectiveness in case of a fire.