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Certified Backflow Testing in Alliston

Backflow prevention is an important aspect of protecting a town or city’s water. Backflow is any time water flows in the opposite direction it is intended to. This can cause pollution and contaminates to enter the water system, creating unsanitary drinking water for the community. It is required that if you have a backflow prevention system in place, it must be inspected by a licensed plumber.

Pro Trade Plumbing is licensed and certified to handle backflow testing in Alliston, as well as the installation and repair of backflow systems. Make sure your system is working properly and prevent the contamination of New Tecumseth’s water. Contact Pro Trade Plumbing today.

What is Backflow?

Backflow is the reverse flow of dirty water through clean water lines. When this happens, the clean water supply may be contaminated with multiple hazardous substances including feces, pesticides, chemicals, fertilizer, and other harmful materials leading to a serious health risks.

How to Prevent Backflow

Backflow is prevented with a backflow prevention device installed by a licensed plumber. This typically consists of multiple check valves that prevent water from flowing backwards into the clean water supply. These systems must be tested periodically by a plumber certified in backflow testing in Alliston.

If you have more questions about backflow prevention and testing, contact Pro Trade Plumbing today.


Pro Trade Plumbing Inc.

P.O. Box 42, Alliston, ON L9R 1T9

Phone: 705-434-0100



Regular Hours:
Monday – Friday:
7:30 AM – 4:30 PM

Emergency Plumbing Services:
Call 705-434-0100


  • New Tecumseth
  • Alliston
  • Beeton
  • Cookstown
  • Thornton
  • Borden
  • Tottenham
  • Angus


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