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Posted on: October 30, 2019

Freeze warning tonight could put fire sprinkler systems at risk

Frozen pipes in fire protection sprinkler systems

The McKinney Fire Department (MFD) is warning of the risk of freezing pipes in fire protection sprinkler systems as temperatures drop overnight. Freezing water expands and can rupture a sprinkler pipe fitting or possibly activate a sprinkler head. The resulting water damage can be costly.


To prevent problems:

  • Give the system a thorough inspection.
  • Keep cold air out. Be on the lookout for areas in your building that could let cold air in and increase your risk of freezing pipes.
  • Riser rooms and all other areas with sprinkler piping, are required to have a space or unit heater. Make sure heaters are in working order and set to at least 40-degrees at all times.
  • All water-control valves should remain open.
  • Make sure there is no water in low-point and auxiliary drains.


“Freezing pipes are a real risk if you don’t take the time to maintain your fire sprinkler system,” said Chad Nester, Graduate Fire Protection Engineer. “If something does go wrong, contact a repair specialist immediately to prevent significant damage to your facility.”


Find more safety information on the Fire Department website or on the National Fire Protection website.


About McKinney
McKinney, Texas, is unique by nature. As one of the fastest-growing cities in America, McKinney has a current population of nearly 190,000 and serves as the county seat for Collin County. McKinney offers award-winning schools, a vibrant historic downtown and cultural district, diverse housing options, a trendy culinary scene, and a uniquely beautiful natural setting with rolling hills and lush trees. The city is home to the top-rated McKinney National Airport and serves as the headquarters to many Fortune 500 companies and a burgeoning set of cutting-edge technology companies. McKinney offers the perfect mix for successful business development: a highly educated workforce, availability of land for expansion, convenient location to the DFW area and a nationally-acclaimed quality of life.

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