
Backflow Prevention


Backflow Prevention Services in Chatham & Summit, NJ
Backflow is a serious plumbing issue that can contaminate your drinking water supply with unsafe water from non-potable sources. At R.A. Dill & Sons, we provide comprehensive backflow prevention services across Chatham, Summit, and surrounding New Jersey communities. As a fourth-generation family-owned business with over 75 years of dedicated service, we possess the specialized expertise and certifications required for all aspects of backflow prevention. Our licensed and certified technicians ensure your water supply remains safe and compliant with all local and state regulations.
Our Backflow Prevention Services
We offer a full range of services to ensure your backflow prevention assembly is functioning correctly and providing maximum protection.

Backflow Testing & Certification:
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Annual Compliance Testing: Many municipalities require annual testing of backflow prevention devices to ensure they are working properly. We perform thorough tests and provide all necessary documentation for compliance with local water authorities.
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Certified Technicians: Our plumbers are specifically certified to conduct backflow assembly testing, ensuring accuracy and adherence to regulations.
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Prompt Reporting: We submit test results to your local water department on your behalf, taking the hassle out of compliance.
Backflow Device Installation:
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New Construction & Upgrades: Expert installation of appropriate backflow prevention devices for new plumbing systems, irrigation lines, fire suppression systems, and commercial properties.
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Code Compliance: We ensure that all installations meet or exceed current New Jersey plumbing codes and local municipal requirements.
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Type Selection: We help you select the correct type of backflow preventer (e.g., Reduced Pressure Zone (RPZ) device, Double Check Valve Assembly (DCVA)) based on your property's specific contamination risk and usage.
Backflow Device Maintenance & Repair:
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Troubleshooting & Diagnostics: Identifying common issues such as leaks, failing check valves, pressure drops, or improper operation.
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Component Repair & Replacement: Replacing worn or damaged parts within your backflow assembly, including springs, seals, and O-rings, to restore functionality.
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Winterization: Proper winterization of outdoor backflow devices to prevent freezing and damage during cold months.
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Preventative Care: Advice and services to help extend the life and reliability of your backflow prevention assembly.
WHY CHOOSE R.A DILL & SONS
Unmatched Expertise: With over 75 years and four generations of experience, we have a deep understanding of water main systems, local ground conditions, and municipal requirements in New Jersey.
Precision & Efficiency: We use the right tools and techniques to perform water main work effectively, minimizing disruption to your property and daily life.
Code Compliance: All our water main services strictly adhere to Chatham, Summit, and New Jersey state plumbing codes and regulations, ensuring a safe and legally compliant installation or repair.
Local & Family-Owned: As your neighbors, we are deeply committed to providing reliable, honest, and high-quality service to our community.
Licensed & Insured: Our technicians are fully licensed, highly trained, and comprehensively insured for all complex underground work, giving you complete peace of mind.
Long-Term Solutions: We focus on providing durable, long-lasting repairs and installations that stand the test of time.

