Backflow Preventers

  • BCWAA Certified Inspection
  • Repairs, Replacement
  • New Installation
Create Custom Solutions

Backflow Preventers (Cross Connection Controls)

Backflow Preventors are found in a variety of different settings and help to prevent potentially contaminated and or/toxic water from flowing backwards through the pipes into city/municipal water lines.

BCWAA Certified Inspectors: Our technicians are trained & certified by the BC Water & Waste Association and offer our services across Greater Vancouver.

Backflow Device Inspections in Vancouver

Our BCWAA Certified Backflow Prevention Inspectors provide professional testing and inspections across many critical industries and sectors throughout the Greater Vancouver Area including: 

 

  • Low and high-rise residential
  • Commercial warehousing
  • Industrial & Manufacturing facilities
  • Schools
  • Hospitals and retirement residences

COMMON BACKFLOW / CROSS CONNECTION CONTROL FAQ

Q: Who’s responsible for maintaining Annual Inspections?

A: The owner or owners authorized agent are responsible for carrying out the provisions of the code and ensuring that the protection shall be maintained in operating condition at all times.

Q: What is a cross-connection?

A: A cross-connection is any temporary or permanent connection between a public water system or consumer’s potable (i.e., drinking) water system and any source or system containing non-potable water or other substances. An example of this is piping between a public water system and an end users commercial dishwashing machine.

Q: What is a “Backflow” condition?

A: Backflow is the undesirable reversal of flow of non-potable water or other substances through a cross-connection and into the piping of a public water system or consumer’s potable water system. There are two types of backflow… backsiphonage and backpressure.

  • Backsiphonage is backflow caused by a negative pressure (i.e., a vacuum or partial vacuum) in a Public water system or consumer’s potable water system.
  • Backpressure backflow is backflow caused by a downstream pressure that is greater than the upstream or supply pressure in a public water system or end users potable water system

Q: What is a Backflow Prevention Device?

A: A backflow preventer is a means or mechanism to prevent a “backflow” condition. The basic means of preventing backflow is an air gap, which either eliminates a cross-connection or provides a barrier to backflow. The standard mechanism for preventing backflow is a mechanical backflow preventer, which provides a physical barrier to backflow. The principal types of mechanical backflow preventer are the reduced-pressure principle assembly, the pressure vacuum breaker assembly, and the double check valve assembly. A secondary type of mechanical backflow preventer is the residential dual check valve.

Call us