Antifreeze Systems

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An antifreeze system is a specialized system found in areas where piping is subject to freezing temperatures.  This type of system will typically be used to protect smaller areas such as truck docks, drive through canopies and small attics.  This type of system is typically tied into existing wet system piping down stream of the main water supply. This system maintains a constant pressure of antifreeze mixed with water throughout all of the piping past this supply point.  With sprinkler head activation, the antifreeze/water mix is dispersed from the activated sprinkler head allowing water to enter the piping and flow through the open sprinkler head.

An ANNUAL antifreeze system inspection consists of testing/inspecting the following components:

  • Water flow alarms
  • Control valve tamper switch alarms
  • Freeze point testing of antifreeze solution
  • Main drain flow
  • Fire department connection
  • Stock of spare heads
  • Sprinkler heads and piping
  • Sprinkler coverage

A RISER or QUARTERLY antifreeze system inspection consists of testing/inspecting the following components:

  • Water flow alarms
  • Control valve tamper switch alarms
  • Freeze point testing of antifreeze solution
  • Main drain flow
  • Fire department connection
  • Stock of spare heads