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Plumbing, Heating, Cooling & Electrical Experts

Backflow Prevention in Worcester, Middlesex & Norfolk Counties

Clean water is essential to every home, and keeping it safe starts with proper backflow prevention. At Landry Mechanical Inc Plumbing HVAC & Electric, we specialize in protecting your drinking water from contamination caused by pressure changes in your plumbing system. Our licensed professionals perform certified backflow testing in Millbury and beyond, ensuring your system meets local safety regulations and keeps your water supply secure.

Homeowners and businesses across the MetroWest and Blackstone Valley areas depend on our team for timely inspections, reliable repairs, and preventative solutions that keep their water systems safe and efficient. From residential properties to commercial facilities, we make water protection simple, effective, and worry-free. Call us or fill out our easy online form to schedule your appointment today.

backflow prevention pipes

What Is Backflow Prevention?

Backflow prevention protects your home’s water supply by stopping dirty or contaminated water from flowing backward into clean lines. When water pressure changes unexpectedly (such as during a pipe burst or heavy usage) it can cause pollutants to enter your drinking water. A backflow preventer keeps water moving in the right direction, protecting your family’s health and ensuring your system remains compliant with safety codes.

Backflow Services We Offer

At Landry Mechanical, we provide a complete selection of services designed to protect your water supply and maintain consistent system performance. Our technicians handle everything from new installations to annual inspections with precision and professionalism. With certified training and a commitment to quality, we make sure your backflow prevention system continues to safeguard your home or business year after year.

Backflow Installation

We install backflow prevention devices for both residential and commercial properties, ensuring clean water remains separate from potential contaminants. Each installation is customized to your property’s layout, water pressure, and usage needs. Our team follows all local and state regulations, providing a system that’s both compliant and built to last.

Backflow Repair and Replacement

If a test shows damage, wear, or improper valve function, our technicians provide expert repair or replacement. We use high-quality parts and industry-approved methods to restore your device’s performance and reliability. Whether it’s a small component repair or a full replacement, we ensure your water system remains protected from contamination risks.

Maintenance

Routine inspections and maintenance keep your system compliant and efficient year-round. Our technicians clean components, and replace worn parts before they lead to failure. We also provide convenient scheduling reminders, so you never miss an annual inspection required by local codes.

Need fast help with plumbing, heating, AC, or electrical? Call or schedule service today!

Homeowners Trust Landry Mechanical

When it comes to protecting your home’s water supply, precision and experience matter. Homeowners rely on Landry Mechanical because we approach every project with care, attention to detail, and a deep understanding of local plumbing systems. Our focus on quality service and long-term safety has made us a trusted name for backflow prevention and other essential water protection solutions.

  • Certified specialists: Our licensed professionals are trained to install and maintain backflow devices in full compliance with state and local regulations.
  • Thorough inspections: We take the time to evaluate your entire water system to catch potential pressure or connection issues before they cause contamination.
  • Reliable documentation: After every service, we provide detailed reports to verify compliance and system performance for homeowners and inspectors.
  • Plumbing expertise: With decades of hands-on experience, our technicians understand how backflow devices integrate with larger plumbing networks for complete protection.
  • Customer-first care: From scheduling to final inspection, we communicate clearly, arrive on time, and leave your property as clean as we found it.

Protect Your Water Supply Today

Don’t wait until a backflow issue threatens your water quality. Schedule your backflow prevention service with Landry Mechanical today and let our experts ensure your system is fully protected. Check out our customer reviews to see why homeowners across Worcester, Middlesex & Norfolk Counties  count on us for dependable, detail-oriented service.

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Hear From Our Satisfied Customers

George and JACK did the service
Greg Martinez
3 days ago
The technician was very professional cleared my plumbing problem without difficulty. thank you for your service.
Regina Smith
3 days ago
The plumbers were knowledgeable, pleasant & very capable people. I enjoyed dealing with them.
Good job by Landry and its people.
dave gilligan
4 days ago
Tyler was fantastic, showed me what he was going to do, what needed to be done.... and what should/ could be done in the future to save some money down the road. Very impressed! Super nice kid, very polite, Work area was immaculate when he was done as well... thank you Tyler!!!
Highly recommend these guys, my 2nd stint with them and am very happy with their work and clean up.
Dave Bavosi
6 days ago
Randy and Ricky were great!
Cliff Larkin
6 days ago
Landry is very responsive and the technicians are well trained.
Walter Baker
6 days ago
Mike and Nick were both kind and respectful. They explained everything to us and gave us options to consider. They completed the job quickly and efficiently. We are very happy with the outcome and will recommend Landry to family and friends.
Terrie L Dick
6 days ago
Fast, professional, clean service
Meaghan Connelly
1 week ago
I can say they did a very professional and excellent job. They were very knowledgeable and quick. Also can’t beat customer service like this.
Richard Claros
1 week ago
I just wanted to give a HUGGGGEEEEE shout out to the grade A team MICHAEL AND ANTHONY!! THEY SAVED THE DAY! Between there upmost professionalism and their honesty and extreme knowledge made it such a pleasure to work with them both! Not only did they swiftly identify and corrected our electrical outage they really took their time to explain everything to us and recommend things and showed us the things in our apartment that aren’t up to code so my family can be safe! They were sweet funny and awesome to talk to of course on top of how amazing they already were for fixing out issues! I would personally hire either them again for any other electrical issue I have! You guys were nothing short but AMAZING! GIVE THESE 2 a RAISE they Truly deserve it! Thank you soooo much for saving the day! If I could give these guys 2929292030402929293 stars I would!!!!! It was an absolute pleasure working with them! Thank you so very much!!!
Kay B
1 week ago
Excellent Friendly service.
Samira Gonzalez
1 week ago
Landry Techs were professional, friendly, fair priced, and did top notch work. I am very pleased with the work they did, and would recommend Landry Mechanical to anyone needing the services they provide.
no name
1 week ago
Mike and Nick were both kind and respectful. They explained everything to us and gave us options to consider. They completed the job quickly and efficiently. We are very happy with the outcome and will recommend Landry to family and friends.
Terrie L Dick
2 weeks ago
Mike and Hunter are awesome. Their professionalism was a comfort, and their speed and workmanship is top notch.
Brinks McLaren
2 weeks ago
Was 3 1/2 hours late for an appointment I made a month ago. They couldn’t even get my name right. No apologies or even an idea when they would be here. Very inconvenient.
Jeremy Southworth
2 weeks ago
Corey Menard is a STELLAR human being as well as an EXPERT HVAC technician! He cheerfully and swiftly diagnosed an in-wall heating pipe burst, repaired it, and added a much-needed shut-off valve for one of my (three) heating zones. My English language dictionary does NOT contain the words I need to express my gratitude toward him, or express my gratitude to Landry for sending Corey to my home on Wednesday 02/11/2026. Thank Corey, thank you, and thank Corey!
Eric Wells
2 weeks ago
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    When you need AC, heating, plumbing, or electrical repairs and replacements, call Landry Mechanical Inc Plumbing HVAC & Electric or book online for appointments in Millbury, MA, and throughout Worcester, Middlesex, and Norfolk Counties.