KaiTech Plumbing and Heating Ltd.
KaiTech Plumbing and Heating Ltd.
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Call: 403.945.8324
  • Home
  • Plumbing
    • Residential Plumbing
    • Plumbing Repair Services
    • Backflow Testing
    • New Home Construction
    • Kitchen Plumbing
    • Bathroom Plumbing
    • Water Treatment Services
    • Leak Detection Services
    • Drain Cleaning Services
    • Sump Pump Services
    • Sewer Video Inspection
    • Sewer Line Services
    • Commercial Plumbing
  • Heating
    • Gas Line Services
    • Boiler Services
    • In-Floor Heating Services
    • Garage Heaters
    • Radiant Heating Services
  • Water Heaters
    • Hot Water Tanks
    • Tankless Water Heaters
  • Contact Us
  • About Us
    • Why Choose Us?
    • Reviews
    • Service Areas
    • FAQs
    • Photo Gallery
  • Blog
Call: 403.945.8324

Backflow Testing Calgary | Cross Connection Control

Calgary commercial backflow device - Backflow Testing Calgary -kaitechplumbing.ca

Certified Backflow Testing for Homes & Businesses in Calgary, AB

Calgary has one of Alberta’s most comprehensive cross-connection control programs, and for good reason. With so many properties connected to irrigation systems, fire suppression lines, and commercial-grade boilers, the risk of contaminants entering the municipal water supply is higher in an urban setting. This is why the City of Calgary requires certified annual testing of all backflow prevention assemblies.


Our licensed Calgary plumbers not only test and certify your device, but also take the time to explain results and recommend cost-effective solutions if repairs are needed. Whether you’ve received a 30-day reminder notice from the City, or you want peace of mind that your water is safe, we provide full-service cross connection control, including:


  • Annual backflow testing with same-day reporting to the City of Calgary
  • Repairs and part replacement to keep devices code-compliant
  • New installations for irrigation, fire suppression, and boiler systems
  • Preventative maintenance to extend the life of your device


Protecting Calgary’s water supply is a shared responsibility—and we make it simple for homeowners, property managers, and businesses to stay in compliance without hassle.

Book Your Calgary Backflow Test Online - Starting At $99

What to Expect During a Backflow Test

Our Calgary Backflow Services

A typical backflow test in Calgary takes less than 30 minutes to complete:


  1. We temporarily shut off your water.
  2. Our certified tester opens and closes the valves on your device.
  3. We check pressure levels, relief valves, and seals for irregularities.
  4. You receive results immediately—and we explain any repairs that may be required.


Once complete, we electronically submit your test report to the City of Calgary and email you a copy for your records. You don’t have to handle any paperwork.

Why Annual Backflow Prevention Testing Matters in Calgary

Calgary Backflow Testing - KaiTech Plumbing & Heating

The Dangers of Backflow in Your Home

In a large urban setting like Calgary, cross connections are common—irrigation systems, fire suppression lines, boilers, and even pools or hot tubs can all create a risk of contaminants entering the municipal water supply. That’s why the City requires annual backflow prevention testing in Calgary for all cross connection control devices.


If a device isn’t working properly, substances such as fertilizers, pesticides, human waste, pool chemicals, and detergents could potentially seep into the drinking water. Our job is to make sure that never happens with our certified backflow testing services.


Don’t put the health of you or your family at risk. Whether you need residential or commercial backflow device testing in Calgary, our certified cross connection specialists ensure your water is safe for drinking, washing, and bathing.


Call Us Today At 403-945-8324 To Schedule an Appointment for backflow testing in Calgary.

Have Questions? Talk To An Expert

Book Your Calgary Backflow Test Online - Starting At $99

We perform backflow testing on both commercial & residential water supply lines. We can install, repair, maintain, and test backflow devices in Airdrie, Calgary & nearby areas. We have the experience, tools, resources and the knowledge that is ideal for this type of plumbing work, and offer free and accurate estimates for installation of new backflow devices.

Have Question? Call 403-945-8324

Calgary Backflow Service Request Form

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What Are the Signs That Your Water Supply Has Backflow?

Warning Signs of Backflow in Your Plumbing System

Backflow problems aren’t always obvious, but there are a few warning signs that can indicate your plumbing system isn’t working properly. If you notice any of the following, it may be time to schedule a certified backflow test:


  • Changes in Water Taste or Odor – If your tap water suddenly tastes metallic, bitter, or has a chemical-like smell, contaminants may be entering the supply.


  • Discolored Water – Brown, cloudy, or sediment-filled water can be a sign that dirty water is flowing backward into your clean supply.


  • Visible Particles – If you see sand, debris, or other foreign particles in your water, this may indicate a backflow issue.


  • Sudden Drop in Water Pressure – A decrease in pressure, especially when using multiple fixtures, could signal a malfunction in your backflow prevention device.


  • Unusual Noises – Gurgling or bubbling sounds from drains or fixtures may point to air or contaminants being pulled into the water line.


Backflow can pose serious health risks, which is why annual testing by a certified Calgary backflow tester is required by law. Early detection and maintenance not only protect your household or business but also help keep the city’s drinking water safe for everyone.

What Kinds of Properties Need a Backflow Prevention Device?

Calgary Residential & Commercial Backflow Preventer Devices - Testing Backwater Valves

Backflow prevention systems are most commonly required in commercial buildings, but certain residential properties must also have them in place—especially when cross-connections exist between the home’s plumbing system and the municipal water supply. 


In Calgary, residential properties that feature any of the following systems typically require a backflow prevention assembly:

  • Irrigation systems (lawn sprinklers)
  • Fire suppression systems
  • Pools or ponds
  • Commercial-grade boilers (often found in multi-family buildings)


These types of water systems can create cross-connections that may allow contaminants such as chemicals, chlorine, pesticides, detergents, or even human waste to enter the community’s potable water supply. Installing the proper backflow prevention device ensures compliance with City of Calgary regulations and keeps drinking water safe. 


Common code-compliant devices include:

  • Double check assemblies
  • Double check detector assemblies (for fire suppression)
  • Lead-free reduced pressure principle assemblies (for residential water lines)


Property owners in Calgary who already have a backflow device will typically receive a notice from the City about 30 days before annual testing is due. Scheduling timely testing and maintenance ensures continued compliance with local regulations and helps safeguard both your property and the municipal water system.

Contact Our Calgary Cross Connection Control Specialists Today!

We will perform a thorough inspection of your backflow prevention system, including checking for valve leaks. If there are any issues with your backflow device, we will alert you to the problem and carry out the necessary repairs and/or replacements.

After completing the test, we will fill out a report and submit it to the city. The entire testing process typically takes thirty minutes to complete if there are no pre-existing issues with your system.

Get In Touch With Us

Common Calgary Cross Connection Control Questions

What Are Cross Connections?

What Is The Cost To Test A Device?

What Is The Cost To Test A Device?

A cross connection is any connection between pipes that carries water, potable or non-drinking water. So, wherever a cross connection exists a backflow device is required. When functioning properly, a backflow device prevents unsavory odors, tastes, or harmful contaminants from mixing with drinking water. Typical cross connections include: radiant heating systems, boilers, hot tubs, sprinklers, swimming pools, soda fountain machines, irrigation systems, and suppression systems. 

What Is The Cost To Test A Device?

What Is The Cost To Test A Device?

What Is The Cost To Test A Device?

We offer flat-rate pricing for certified backflow testing in Calgary, Airdrie and surrounding areas.


Our rates:
• $99.00 for the first device per site
• $89.00 for each additional device at the same location


Note: Any required parts or repairs are billed separately and will be discussed with you before any work is performed. 

How Often Should They Be Tested?

What Is The Cost To Test A Device?

How Often Should They Be Tested?

Cross connection control devices are required by law to be tested annually, and a report needs to be filed with the City of Calgary afterwards. Most Backflow assemblies include a check valve (or valves), a set of springs, and once in a while, a relief valve comes with it. Each of these parts must be inspected and tested annually to ensure that they are properly maintained. To pass inspection, check valves must be able to hold a minimum amount of pressure. 

Who Can Perform Backflow Tests?

Who Can Perform Backflow Tests?

How Often Should They Be Tested?

Only City of Calgary Certified Backflow Testers can provide backflow services to residential and commercial properties that have cross connection control devices. Our Calgary Backflow Testers are certified by the AAWWA and are qualified to test all types of backflow assemblies in both residential and commercial properties. 

Who Submits The Test Reports?

Who Can Perform Backflow Tests?

Convenient Online Scheduling

We electronically submit all inspection and test reports to the City of Calgary for you, and provide you with a copy of the report and verification of submittal by email.

Convenient Online Scheduling

Who Can Perform Backflow Tests?

Convenient Online Scheduling

To schedule an appointment, fill out our form below. We accept all major credit cards and personal or business checks. Payment is made at time of service. Invoicing is reserved for businesses that we’ve done business with before and have an account with us.

Book Online

Did You Know There Are Two Types of Backflow?

Back Pressure vs. Back Siphonage

Backflow occurs in two ways:


  • Back Pressure – When pressure in your system exceeds the pressure in the water main.
  • Back Siphonage – When negative pressure pulls contaminated water into the supply.


Backflow devices prevent both by allowing water to only flow in one direction. Annual testing ensures your assembly continues to function properly.

Commercial Backflow Services Performed By Experienced & Certified Cross Connection Control Specialists

Our Backflow services are performed by trained Calgary backflow professionals dedicated to providing the highest quality cross connection control and plumbing services for your Calgary home or business. We offer residential and commercial services. If you need somebody to install a new backflow device, repair a backflow preventer, or perform an annual backflow test all you need to do is pick up the phone and give us a call!

Get In Touch With Us

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Proudly Serving Airdrie, Calgary, & Surroundings Areas


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