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NFPA 25, Section 5.3.3, antifreeze systems must be tested annually before the onset of freezing weather. See Requirements

Introducing freezemaster™ Antifreeze

New and existing fire sprinkler systems now have protection against costly corrosion and severe cold with a UL-listed, factory premixed antifreeze. Breakthrough freezemasterTM antifreeze:

Learn more by watching the video below, then visit the freezemasterTM antifreeze blog to discover important questions to ask when selecting an antifreeze for your fire sprinkler system, here.