Regulations for backflow testing are now set forth by local plumbing codes and enforced by municipalities and local water purveyors. Most jurisdictions require annual backflow testing; however, it may be required more frequently in some cases. Failure to comply could result in fines or the disconnection of water service.

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Don't take clean drinking water for granted; do your part to help protect your facility, employees, and community by partnering with a qualified fire protection company for backflow preventer services.

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Double Check Valve. (DCV). A testable device designed for use in Medium Hazard conditions to prevent backflow caused by back siphonage or back pressure . It has ...

Types of irrigationbackflow preventers

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State regulations and local municipalities typically require backflow preventer installations in commercial and industrial properties that contain chemicals, fertilizers, and other hazardous substances.

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A certified backflow tester will conduct annual testing to ensure each component is in good condition, moves freely, operates correctly, and adheres to requirements from the local water purveyor or city.

“While backflow remains a legitimate health concern, preventing it is now considered outside the scope of NFPA 25. The standard presumes that local or state requirements will continue to ensure that the devices are properly tested by qualified personnel."

Backflow preventers are required by law in many states and must be tested annually to ensure they are working correctly. Understanding backflow preventers and annual testing requirements will help you prevent avoidable accidents and meet code requirements in your area.

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While having a backflow preventer installed is important, it is just as important to have it tested to ensure regulatory compliance and device functionality. Backflow tests also help ensure the drinking water supplied to your commercial property remains safe.

A pressure reducing valve (PRV) is a type of valve that reduces a higher upstream pressure to a stable lower downstream pressure.

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What are the four types ofbackflow preventers

While NFPA 25 used to require testing, the 2011 edition removed this requirement. NFPA explains its decision as follows:

Property owners should check with their local water purveyor to better understand the specific requirements for backflow preventers in their area.

PR20 Pressure Limiting Valve designed to moderate and stabilize mains water pressure, which is at times too high for domestic appliances.

Backflow preventers on fire protection, irrigation, and other water-based systems must be tested annually to ensure they are working properly and that no potential risks or contaminants enter the drinking water supply.

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Backflow preventers are mechanical devices that protect against backflow, which is when contaminated water flows back into a drinkable water supply. Backflow occurs due to a sudden change in pressure or a break in the water main. Put simply, a backflow preventer ensures water inside fire sprinklers, irrigation systems, and other water-based systems flow in the desired direction: from the water main into the system.

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Condition: Brand New · Brand: Watts · Item ID: LF009M2-QT-FS · Warranty: Must be installed by a licensed technician · Warranty: To qualify for warranty coverage ...