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Backflow is the movement of air or liquid back in the direction it was flowing. In the world of plumbing, a couple of innovations have taken place over the years, including introducing a backflow prevention system. This article aims to analyze what a backflow preventer is, how it is installed, and its importance and recommend the best backflow installation company in the city of Toronto, Canada.
A backflow preventer is a device that's installed on your home's water pipes that allows water to flow in one direction but never in the opposite direction. Its sole job is to prevent drinking water from being contaminated due to Backflow.
Two one-way valves, also known as check valves, are connected in a series of backflow preventers to stop water from backing up into the supply line. These check valves can be seen as one-way gates that only permit water to flow in one direction. The double-check valves are used to ensure that one valve continues to protect the city water, even if the other fails. Any time the pressure on the property on the downstream side exceeds the pressure on the city side, the two redundant check valves automatically close, preventing any backflow.. Also, during normal operation, the pressure between the two check valves, often referred to as the reduced pressure zone, is maintained at a lower pressure than the supply pressure. If either check valve should leak, the relief valve is designed to open and discharge water to the outside, ensuring Backflow never occurs.
Backflow is caused by cross-connections that have the potential to allow contaminants into the drinking water system. When the pressure inside a tank or water trough is lower than the pressure in the water system, back flow can happen. As a result, contaminated water may get into the system or be pushed out. Irrigation system is a typical example of a concern from Backflow. If puddles develop around the sprinkler device used by a homeowner to maintain a lawn or a farmer uses irrigation to water crops, the water may escape back into the system. The water, now contaminated with pesticides, fertilizer, and other contaminants, is sucked back into the supply line via its output line if there is a pressure reversal. As a result, the toxins in this water are spread to neighboring homes and may eventually make their way into the public drinking water supply, where they now constitute serious health hazards to people drinking, cooking or bathing from that water supply.
Yes, you may choose to install it on your own. However, bear in mind that first-time installations require permission from the government. This will only be possible if you have the necessary tools for the installation. It is, however, advisable to employ the services of a professional installer for a perfect installation.
A 2022 study shows that installing a backflow preventer costs between $300 and $400. A high-level backflow preventer typically costs between $800 and $1,000, whereas a low-level backflow preventer costs between $130 and $200.
Installing backflow preventers the wrong way renders them useless since they force water to flow in just one direction. A pressure relief valve is activated by high pressure in a backflow prevention system.
If you live in a region that often experiences sudden and heavy rainfalls, it is important and worthwhile to install a backwater valve into your plumbing systems. Also, the national plumbing code requires new homes with plumbing fixtures below street level to have backwater valves.
No, not all sprinkler systems have or come with a backflow preventer. However, it is your responsibility to ensure your sprinkler system has a backflow prevented installed on it. As it will help prevent contamination of your water system from pesticides and other hazardous materials.
