This is what happens when you don’t maintain your backflow valve! The flapper sticks and won’t close during a backflow event. Please see our other video about what backflow valves actually protect against, and what they do not do. You will notice that the clear top of the backflow valve is bolted to the ABS base. While you CAN remove … Read More
What Protection Does a Backflow Valve Provide?
Backflow valves – the most misunderstood product in plumbing! What protection does a backflow valve provide? What does it not protect against? If you are a homeowner, you NEED to watch this video Notes: 1) this video depicts drainage system for the city of Regina. Other municipalities may not be constructed in the same manner. Consult with local experts. 2) … Read More
How to clean and maintain a closed-style backflow valve
Duke Sewer shows you how to clean and maintain a closed-style backflow valve.