A Commercial Plumbing Contractor

Backflow Testing

Why do backflow preventers need to be tested?

It's the law! The state of Connecticut department of Public Health requires all testable backflow preventers are to be tested soon after installation, and at no more than twelve month intervals after that.

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Contact Us

Service Requests

Please call us at
(860)289-2679 for any service requests


We are a commercial plumbing contractor that has over 50 years of experience in plan and spec as well as design build projects.

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Welcome to J&B Mechanical Contractors

We are a relationship-driven organization characterized by integrity, dependability and fairness in fulfillment of our obligation and responsibilities to our employees, clients, vendors and partners.