What is a backflow prevention device (BPd)

Do not confuse a backflow prevention device (BPd) with a check valve. The latter prevents the return of wastewater to the basement of the house. The backflow prevention device targets the drinking water distribution network of a building. It also protects against backflow by reversing the direction of water flow.

The backflow prevention device is a mechanism that is activated when there is a backflow. A check valve system separates potentially contaminated water from the drinking water in an adjoining pipeline. This prevents contact with drinking water and keeps it safe for human consumption.


Pure Plomberie selects and installs your backflow prevention devices for your commercial premises in compliance with standards and regulations. Contact us!


What is a cross-connection?

A cross-connection is the risk that drinking water may encounter contaminated (polluted, non-potable) water in a plumbing system. Owners of commercial buildings for public use have an obligation to comply with safety codes and to protect their plumbing systems from potential hazards.

Find a certified auditor through the BPds Provincial Auditor Registry. To learn more about safety quality requirements: Régie du Bâtiment Québec.

Pure Plomberie brings you its expertise in commercial plumbing in compliance with the CSA B64.10 standard: « Any connection to a drinking water supply system must be protected against the dangers of contamination in accordance with the CSA-B64.10-01 standards […] »

Indeed, Canadian regulations emphasize that a plumbing system in a building or equipment intended for public use must be maintained in good working order, safety and sanitary condition.