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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.

Summer Ready Drain Special

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This May Thru June!

Disclaimer: Offer Must Be Presented at Time of Sale. Offer Valid For Drain Cleaning Service ONLY. Cannot Be Combined With Other Offers. Some Exclusions Apply. Offer Valid May 1st, 2026-June 30th, 2026. Call Office For Details. Expires: June 30, 2026

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Hear From Our Satisfied Customers

Fast, courteous, great service. Thank you
David Wojcik
2 days ago
I was very pleased with everyone involved in the project. Garrett was especially helpful, thorough and pleasant. Landry is lucky to have him as an employee.
Lois Benotti
2 days ago
Clean, respectful, responsive, polite and knowledgeable. Now a days these qualities are scarce and not to be taken lightly because the competition costs as much (or more) and they will trash your house and talk to you down when you ask for a description of the problem… I only say this because it was part of my personal experience with a different company and it was very discouraging.
Yahenys Dominguez
3 days ago
Your guys were very professional and explained everything in detail. Snaking a drain can be very messy but they keep everything clean and organized.
Sheila Gravelle
3 days ago
Responded in one day (without being subscription member). Kyle reported on time and was polite, professional, and courteous. We are now subscribed customers.
Richard Dumas
4 days ago
It was a very pleasant experience ! The technicians were very knowledgeable and fair ! Thank u
Linda Shack
4 days ago
Eddy Russell is an OUTSTANDING technician and I was lucky enough to have him come to my home today. So glad I switched to Landry 4 years ago.!
MARY PARKIN
4 days ago
Amazing team. From on the office, scheduling to their field staff. The tech that came out was and extremely joyful, smart, technicaly prepared. Rosie was a true joy to meet and efficient. Excellent experience!!
Eric Arthur
4 days ago
Kyle from Landry mechanical came out and was able to help me repair my system really quickly. He was super professional, super friendly, and explained everything clearly. They have become my chosen HVAC company moving forward!
Joe Toscano
4 days ago
Randy and Ricky were prompt, knowledgeable, professional and clean. Great service from this company.
Heidi Quinn
5 days ago
We recently completed a large AC job and couldn’t be happier with Landry’s service. From the sales team to the install team, everyone was great to work with. They were timely, communicative and affordable to work with. I highly recommend Landry for your HVAC needs.
Alyson Turner
6 days ago
Landry technicians replaced my HW heater and smoke detectors. Both Teams were excellent - extremely courteous, efficient and professional. I have had Landry do alot of work to my house (HVAC, electric, plumbing) and they always do a fantastic job!
Michael Casey
2 weeks ago
The service tech was very professional and did a great job explaining everything and servicing my furnaces.
Ron Poulin
2 weeks ago
Randy and Ricky were prompt, knowledgeable, professional and clean. Great service from this company.
Heidi Quinn
2 weeks ago
Nick was a pleasure to have performing the hot water heater replacement. All of the workers were very nice and made sure to describe and walk me through all of the things they did for the electrical and install. I would definitely recommend Landry for any hot water heater installations.
Andrew Favaro
2 weeks ago
JT, Garret, Julian, Don, Demeitri technicians for Landry Mechanical were outstanding, respectful, clean and very friendly. They put in mini splits in our house today, worked diligently and took the time to be very friendly with us. They are a respectable team that knows exactly what needs to be done. We are so happy with these guys who worked very hard and were so respectful even to our dog Rusty. I would highly recommend this team to do anything to my house. Very knowledgeable and efficient, but most of all so respectful and kind. Thank you team for a wonderful experience and service!!!!
Diane Woupio
2 weeks ago
Drew did a great job with maintenance service. Recommended two parts and waiting on others for this A/C season
Debbie F
2 weeks ago
Dennis and team were fantastic. Communication. Speed. Cleanliness you name it. Came in for a quote yesterday. Came back today and completed the job within hours and replaced my water tank amongst other upgrades. Super happy with the overall experience and in large part due to Dennis!
Gramos Saliu
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.