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Backflow Prevention Tester Jobs (NOW HIRING)

Knott Mechanical

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Plumbing Backflow Certification & Rebuild Technician

Timonium, MD · On-site

$28 - $40/hr

Perform annual backflow prevention device testing and certifications. * Diagnose, repair, and rebuild backflow assemblies. * Complete required testing documentation and reports accurately. * Ensure ...

The Waterworks

Backflow Tester

Mason, OH · On-site

This position focuses on testing, repairing, and replacing backflow prevention devices for residential and commercial customers. The role offers schedule flexibility and strong income potential based ...

Haven Services, LLC

Backflow Tester

Mason, OH

This position focuses on testing, repairing, and replacing backflow prevention devices for residential and commercial customers. The role offers schedule flexibility and strong income potential based ...

Haven Services, LLC

Backflow Tester

Mason, OH · On-site

This position focuses on testing, repairing, and replacing backflow prevention devices for residential and commercial customers. The role offers schedule flexibility and strong income potential based ...

Anne Arundel County, MD

Plumbing (Backflow) Inspector

MD · On-site

$57K - $93K/yr

... Testing. NATURE AND VARIETY OF WORK This is skilled work in backflow prevention that monitors, inspects and investigates the maintenance, installation and or replacement requirements of backflow ...

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How much do backflow prevention tester jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for backflow prevention tester in the United States is $51.09, according to ZipRecruiter salary data. Most workers in this role earn between $43.75 and $61.30 per hour, depending on experience, location, and employer.

What is a backflow prevention tester?

A Backflow Prevention Tester is responsible for inspecting, testing, and maintaining backflow prevention devices to ensure that water flows in the correct direction and does not become contaminated. These professionals typically work with plumbing systems in commercial, industrial, and residential settings to comply with local and state regulations. They use specialized equipment to assess the functionality of backflow preventers and may perform repairs or replacements if necessary. Their role is critical in protecting potable water supplies from contamination due to backflow events.

What are some typical challenges faced by backflow prevention testers on the job?

Backflow Prevention Testers often encounter challenges such as accessing difficult or confined spaces where backflow devices are installed, dealing with aging or faulty plumbing systems, and keeping up with local regulations and documentation requirements. You may also need to troubleshoot failed devices, communicate effectively with property owners or facility managers, and coordinate with other technicians or inspectors. Despite these challenges, the role is rewarding for those who enjoy problem-solving, technical work, and contributing to public health and safety. Working hours can vary based on client needs, but successful testers quickly adapt to different environments and continuously develop their technical expertise.

What are the key skills and qualifications needed to thrive as a backflow prevention tester?

A Backflow Prevention Tester needs a solid understanding of plumbing systems, hydraulics, and relevant codes, often supported by state or local certification. Familiarity with backflow testing kits, water pressure gauges, and digital reporting systems is essential for accurate inspections and documentation. Strong attention to detail, effective communication, and problem-solving abilities help testers interact professionally with clients and address issues proactively. These skills ensure both regulatory compliance and the safety of potable water systems, making the tester a valuable asset to their organization.

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What cities are hiring for Backflow Prevention Tester jobs? Cities with the most Backflow Prevention Tester job openings:
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Backflow Prevention Tester jobs near you
Infographic showing various Backflow Prevention Tester job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $106,258 per year, or $51.1 per hour.

Plumbing Backflow Certification & Rebuild Technician

Knott Mechanical

Timonium, MD • On-site

$28 - $40/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 20 days ago

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Job description

Are you a licensed plumbing professional who specializes in backflow prevention devices? We are seeking an experienced Backflow Certification & Rebuild Technician to join our team. This position is dedicated exclusively to backflow testing, certifications, repairs, and rebuilds.


Responsibilities

  • Perform annual backflow prevention device testing and certifications.
  • Diagnose, repair, and rebuild backflow assemblies.
  • Complete required testing documentation and reports accurately.
  • Ensure compliance with all local and state regulations.
  • Maintain strong customer relationships while providing exceptional service.
  • Manage company-provided vehicle and testing equipment responsibly.


Requirements

  • Current Maryland Journeyman Plumber License (Required)
  • Current Backflow Prevention Tester Certification (Required)
  • Experience testing, repairing, and rebuilding backflow prevention assemblies.
  • Valid driver's license with a clean driving record.
  • Ability to work independently and manage daily schedules.
  • Strong attention to detail and excellent communication skills.

Company Description

Knott Mechanical provides Commercial HVAC, Plumbing, and Building Automation services to a diverse group of clients in the Greater Baltimore Area. The successful candidate will be joining a great company!