Durham Region backflow prevention services

From installation to repairs, Vaillancourt Plumbing can help you protect your drinking water from contaminants with a Backflow Preventor. Request a free backflow installation & repair estimate now.

Glass of clean water
We are Durham Region's oldest plumbing company - since 1955
We are a 2nd generation plumbing company - family owned & operated
We offer the best guarantee in the industry - 18 months

Avoid backflow installation & repair problems!

Installing or repairing a water backflow prevention system can be costly if you don't know what you are doing.

Is your plumbing to code?

Plumbing that is not to code can delay work, or lead to costly plumbing problems in the future. Hire a licensed plumber with experience.

Is the workmanship professional?

Poor workmanship can lead to subpar results, and repairs sooner than necessary. Hire a plumber with an established reputation.

Is the work guaranteed?

Professional plumbing companies offer a guarantee/warranty. Ensure you hire a plumber that is willing to stand behind their work.

I've used Vaillancourt three times now and am VERY satisfied and impressed. Mark was thorough and efficient - he did a wonderful job fixing our problems. And Patsy at the office? She's fantastic and always gives GREAT customer service. USE THEM - you won't be sorry!!
Al Cocker
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How can our backflow prevention services help you?

Our backflow prevention services will provide you with everything you need to get the job done right the first time!

Licensed Plumbers

Relax, knowing all of your plumbing work was completed by licensed & certified plumbing professionals.

Unmatched Experience

We are Durham Region's oldest plumbing company. We've been serving residential & business customers since 1955.

No Financial Surprises

Get a free estimate and know what the required plumbing work will cost you upfront. No surprises, just fair pricing.

Leading Brands

From installation to maintenance and repairs - we utilize the leading plumbing brands for superior quality and performance.

Clean Workspace

Once your plumbing job is completed, we'll leave the workspace as clean as clean as we found it. You won't even know we were there!

Save Time & Money

Our licensed plumbers will take care of everything for you, ensuring the job is done right the first time - saving you time and money.

Specialized Certification

Our plumbers are not only licensed, they are certificated in specialized areas of plumbing, providing extra peace of mind.

24/7 Emergency Service

Plumbing problems can happen anytime. That's why we provide 24/7 emergency services. Rest easy knowing we're available.

Service Guarantee

Our company is only as good as our reputation. We want you to be satisfied which is why we provide an industry leading guarantee.

Backflow prevention services - as easy as 1, 2, 3.

Getting backflow prevention services in Durham Region is easy! Just follow the steps below.

Step 1:

Request a free estimate

Request your free estimate now by calling 289-275-6694 or by clicking on the "Request job estimate" button below.

Step 2:

Hire us to do the work

Our licensed plumbers will arrive on the scheduled date and time, complete the job, and tidy up when they are done.

Step 3:

Relax & enjoy peace of mind

Relax, knowing your plumbing work was completed by professionals and is backed by our industry leading guarantee!

Backflow prevention for Durham Region residents and businesses

Durham Region bylaws require the use of a Backflow Preventer on potable water systems to protect drinking water from contaminents.

From installation to repairs, Vaillancourt Plumbing can help you with all of your backflow prevention needs. Contact us today for a backflow prevention job estimate!

Glass of clean water

Do you have questions about backflow prevention?

Find answers to some of the most frequently asked backflow prevention questions...

Are there different types of backflow prevention devices?

There are two types of backflow prevention devices for premise isolation:

Reduced Pressure Pricipal Assembly (RP) devices - these are used for any type of cross-connection or potential cross-connection involving water that has additives or substances, that, under any concentration, can create a danger to health.

Double Check Valve Assembly (DCVA) devices - used on connections that have a low probability of becoming a high or severe hazard.

Can I install my own backflow device?

In order to install a backwater device in Durham Region, the installer needs be a person certified by the Ontario Water Works Association, or other governing body as approved by Durham Region.

Is a backflow device required in Durham Region?

Yes. On June 13, 2018 Durham Region Council passed Backflow Prevention by-law 24-2018.

What is backflow and why is backflow prevention important

Backflow is the undesired reversal of water flow from a building back into the drinking water system that is caused by either back siphonage or back pressure.

Municipalities throughout Canada have implemented back flow prevention programs to help eliminate contaminated drinking water that can cause human health implications and safety issues.

Do we service your area?

We provide plumbing services throughout Durham Region and the surrounding areas, including: