Backflow Prevention Devices

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Backflow Protection

Backflow prevention devices (BPDs) and check valves protect your property from catastrophic backflow that causes property damage, health contamination, and major financial impacts. For advice or installation of a backflow prevention device in Sainte-Sophie and anywhere on the North Shore, call Plomberie Mathieu Lecuyer.

Protect your basement with a backflow preventer.

Installation of Compliant Backflow Preventers

Professional installation in accordance with:


  • RBQ certification 5842-2551-01 and Quebec standards
  • Municipal codes of Saint-Jérôme, Sainte-Sophie, and Saint-Eustache
  • CSA standards for maximum durability
  • Free estimate and complete assessment

Check Valves for Basements

Specialized protection against water backups:


  • Installation on floor drains and laundry sinks
  • Integration with existing systems
  • Residential and commercial solutions
  • Simplified maintenance

Maintenance and Compliance

Comprehensive services for existing systems:


  • Annual inspection and preventive maintenance
  • Repairs and upgrades
  • Compliance with municipal requirements
  • Solutions for new construction and renovations

Why Install These Systems




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Added value: Improved property appeal


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Proactive protection: Avoid costly damage

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Regulatory compliance: Meet municipal requirements

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Peace of mind: Safety during extreme weather events


Professional service, reasonable prices.