Backflow Prevention in Fire Sprinkler Systems | Ontario

Backflow prevention valves are now mandatory on fire sprinkler systems to prevent contamination of potable municipal water sources.

Fire System backflow prevention | Stevenson Sprinkler

Backflow Prevention

Backflow Prevention is the installation of a Backflow Preventer, which is a device designed to keep the water inside the fire-protection system on a property and preventing it from backflowing into the municipal system. Thus the water can only flow in one direction — into the building’s fire-protection system. 

Backflow Preventer Testing • Repair • Installation

Backflow preventer valves are required on all fire sprinkler systems to prevent contamination of the municipal water supply. A regular check valve or alarm check valve is usually adequate. 

Virtually all sprinkler systems that tie into city water supplies have backflow preventers installed today.

Periodic Testing of Backflow Preventers

Why water company and NFPA 25 require periodic backflow preventer testing.

The water company’s concern is backflow prevention, while NFPA 25’s concern is that the check valves open when needed. An unused backflow preventer valve that is not operated periodically may not open when you need it most.

Certified Backflow Testers

It is a requirement to have Certified Backflow Testers perform these tests.

Stevenson Sprinkler & Fire Protection specialists are Certified Backflow Testers and are all thoroughly knowledgeable of standards per requirements of the manufacturer, NFPA and local authority having jurisdiction.

In addition to installation and testing, we can also perform the following:

  • Add backflow prevention valve to an existing sprinkler system
  • Repair backflow prevention valve
  • Recommend and install an upgrade when the current backflow prevention valve is insufficient for your sprinkler system

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P.O. Box 364,
4520 Jordan Road, Suite 1,
Jordan Station, ON L0R 1S0

 

(905)-562-7575 (Phone)
(905)-684-2784 (Fax)
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