A backflow preventer is installed to protect potable water supplies from contamination.
Local plumbing codes require backflow preventers to be installed anywhere a "cross-connection" occurs. An example of a cross-connection would be anywhere drinking water piping connects to various plumbing fixtures or equipment that utilizes water.
A backflow preventer restricts used water from flowing back into the clean water supply line.
A backflow preventer is a mechanical device that helps prevent contaminated water from flowing back into the clean supply line.
Unfortunately, being a mechanical device, it can (and often will) fail at some point.
That is why we offer, and the local authorities require, backflow testing.
Our certified plumbers and backflow testers will come our and ensure your backflow preventer is working properly and is up to "code".
Not only does this help protect the water supply; but, it also could mitigate any potential financial burden from the fallout of a backflow preventer failure.
One of our Team Members Would be Happy to Answer any of your Questions
"Garden City Plumbing and Heating worked twice for me,once they replaced a kitchen sink drain and recently they installed a back flow preventer. Both times great guys came out and did great work. Highly recommended!"
Kim W., Homeowner
In a commercial setting, backflow testing is critical (and most often required) to ensure that your potable water supply can't be contaminated by other water sources.
According to the City of Missoula Water, "once water leaves the public distribution system and flows into the customer's plumbing, Missoula Water loses sanitary control over the water and by law cannot allow it to return or "backflow" into the distribution system." So yes, a backflow preventer is required.
Backflow occurs for one of two reasons, either back pressure or back siphonage.
Back pressure is the result of a higher pressure in the system than in its supply.
Back siphonage is the result of supply pressure being lowered below that of the system.
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