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Serving Main Line and Delaware Counties for 40 Years — 24-HOUR SERVICE


Backflow Prevention

Certified Backflow Prevention Personnel

In any residential or commercial plumbing system, not all backflow problems occur spontaneously. Most backflow issues occur due to a difference in pressure between the mains and the water line in your home or office. 

The ASSE-certified crew at J Conley & Sons can test your plumbing network for potential backflow problems and replace the faulty parts. We can even install a preventer valve to avoid backflow due to a difference in pressure.

Speak to our friendly staff for more information on our water heater services
Backflow Prevention services

Wide Range of Backflow Prevention Services

  • Backflow testing
  • Backflow preventer valve installation
  • Backflow prevention system repair
  • Backflow prevention system replacement
  • Replacing defective parts in a plumbing system
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"A nice job, as always!"

- Peggy Cliver
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