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Backflow Prevention Services in Vancouver

Keeping Water Safe and Drinkable

Get comprehensive backflow prevention services in Vancouver, including the installation, maintenance, and testing of prevention devices. Protect your drinkable water supply from contamination caused by the reverse flow of non-potable water.

Call 24/7 for emergency repair or to discuss your needs and get started.

Book Your Free Estimate
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Meet Compliance with Local Plumbing Codes and Health Regulations

Ssafeguard public health and avoid costly fines or legal issues with backflow prevention services.

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For Comfort and Safety

Our backflow prevention services are tailored to commercial, industrial, and municipal settings where cross-connections can pose significant health risks, resulting in fines and violations. Our Vancouver plumbers will ensure devices meet local codes and regulations, typically overseen by authorities like Metro Vancouver and the City of Vancouver.

We work with restaurants, construction companies, property management firms and manufacturers—anywhere where large-scale water use mandates robust backflow systems. We help you stay up-to-date with inspections and submit test results to city authorities, ensuring compliance while meeting Vancouver’s commitment to water safety and protection with backflow prevention services that play a crucial role in keeping water safe and clean.

  • Air Gap Backflow Prevention
  • Atmospheric Vacuum Breaker Backflow Prevention
  • Pressure Vacuum Breaker Backflow Prevention
  • Double Check Valve Assembly Backflow Prevention
  • Reduced Pressure Zone Backflow Prevention

A Process to Professional

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Assess

Our Vancouver plumbers will assess your pipes, checking for underground leaks and other problems

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Installation

Skilled technicians visit the site to perform installations and maintenance, testing for safety and smooth, efficient operations.

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Follow-Up

We check in to ensure all systems in your mechanical room are working as expected, with fixes to ensure durability and longevity.

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Warranty

If there’s a problem with parts or installation, you’re covered by our two-year warranty. We’ll come back and make it right.

Backflow Prevention Services: FAQ

  • Why is backflow in a plumbing system?

    Backflow is the unwanted reversal of the flow of water or other substances into the potable (drinking) water supply. It can allow contaminants like chemicals, bacteria, or waste to enter clean water lines.

  • What problems does backflow create?

    Backflow issues can contaminate clean water in your plumbing system (drinking water). It’s a serious issue that can lead to illness, lawsuits, and suspended operations.

  • What is a backflow preventer?

    A backflow preventer is a mechanical device or assembly installed in a plumbing system to stop backflow. It ensures contaminated water doesn't enter the clean water supply.

  • What are common types of blackflow prevention?

    Backflow prevention systems we commonly use include pressure vacuum breakers (PVB), reduced pressure zones (RPZ), double check assemblies (DCA), and atmospheric vacuum breakers (AVB).

  • Do backflow preventers need to be tested?

    Yes. Most municipalities require annual testing of certain types (like RPZs and DCVAs) by a certified backflow tester to ensure functionality.

  • Who needs backflow prevention?

    Backflow prevention is often required for Commercial buildings, irrigation systems, fire suppression systems, and homes with private wells or auxiliary water supplies

  • Is backflow prevention required by law?

    Yes. Local plumbing codes and water authorities typically mandate backflow prevention where contamination risk exists. Check with your local utility or building department for specific requirements.

  • How much does it cost to install or test a backflow preventer?

    Expect to pay about $75–$150 annually for testing, with installation between $150–$800 depending on the type, size, and complexity of the system. Reach out for an estimate.

Praise for Harbour’s HVAC Services on Google

At Harbour Energy, our caring attitude and work quality have earned the trust, appreciation, and lifelong loyalty of many customers.

Nita Naidoo

I noticed a leaky outdoor faucet on my forty-year-old home. Besides being a terrible waste of water, I was worried about the integrity of the pipes come winter. Harbour Energy arrived next day and quickly diagnosed and explained the problem. Harb had all the necessary parts on hand and completed the job in about 20 minutes. No more leaky faucet!

CTM

Nothing but good things to say about my experience with Harbour Energy Systems for both home and commercial systems . Home HVAC, HW on demand and gas system. Large NG systems on the commercial side as well as vacuum and air lines. All very professional installed and delivered as promised.

Urban Kantola

Had Harbour Energy in for a gas job and they were fantastic—friendly, professional, and everything was done safely and efficiently. Highly recommend!

Randall Walrond

Harbour Energy Systems is amazing and our go to for all our HVAC and plumbing needs. Honest, reliable, professional and efficient — just what everyone needs and deserves in a Contractor.

David Ash

I have never been able to experience such a high level of knowledge and professionalism with any other firm. Get it done and done right with these guys. I could not be more pleased with their service - old house fitted perfectly with state of the art systems.

Orpha S.

Had a very good experience with Harb. Very responsive and professional. Issues were explained , fixed and completed in no time. Highly recommend for anyone needing HVAC repair or maintenance

Ekam Sandhu

They’re best in the business and the work shows it. Thank you so much team. Really appreciate your guys service 👍🏽

Gord Knight

I have had dealings with Harbour Systems over many years and they have always treated me fairly and have done what they say they would in a timely fashion. I don't refer many companies but I do refer Harbour Systems to anyone who asks. They have integrity.

Harry Ng

Harbour Energy has been a great company to work with over the years, their level of knowledge and professionalism is exemplary. You always know the job will be done right with Harbour Energy

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