Professional Backflow Testing, Installation, and Repair Services.



Full Service Backflow

Let us keep you in compliance with all state and local testing regulations.Full Service company providing repairs and installation services for all types of consumers.

Full Service Backflow


Servicing all your plumbing needs, from new rough-in's, commercial and residential, fixture or valve replacements, pipe repairs and sewer line replacements we are here to help. Servicing Bucks and Montgomery counties.



William J Millard Mechanical has built a Commercial clientele that includes;
New Builds, Automotive repair chains, Retail Stores, Food Production Plants, Postal Facilities as well as Small Government Jobs.


Backflow Testing:

Our ASSE certified backflow testers are equipped with the knowledge and expertise to conduct thorough and accurate backflow testing. We follow industry best practices to identify any potential issues and ensure that your backflow prevention device is functioning properly.

Backflow Installation:

If you need a new backflow prevention device installed, our team can assist you. We work with top-quality products and materials to ensure reliable and efficient installation. Our goal is to help you maintain a dependable backflow prevention system that safeguards your water supply.

Backflow Repair:

In case of any issues with your existing backflow prevention device, our skilled plumbers can provide prompt and reliable repair services. We understand the importance of timely repairs to prevent potential contamination and maintain the integrity of your plumbing system.

Backflow Prevention:

Preventing backflow is crucial to protect your drinking water from contamination. Our team is well-versed in backflow prevention techniques and can help you implement the necessary measures to safeguard your plumbing system. We can assess your specific needs and recommend the most suitable backflow prevention solutions.

Insured Plumbing Services in Pennsylvania:

Your peace of mind is important to us. That’s why we provide insured plumbing services in Pennsylvania. With us, you can have confidence that our work is backed by comprehensive insurance coverage, ensuring your protection and satisfaction.

Why Choose Us:

Choose William J Millard Mechanical for your backflow testing, installation, and repair needs in Pennsylvania. Our team of licensed plumbers is dedicated to delivering exceptional service and exceeding your expectations. Contact us today to schedule an appointment or to learn more about our services.

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