5 min readPlumbing Maintenance
Backflow preventers keep contaminated water from flowing back into your clean supply. Many properties are required to test them regularly.
Here’s what backflow testing is and whether you need it.
What backflow is
Backflow happens when water reverses direction — for example, when a pressure drop pulls water from an irrigation system or boiler back toward your drinking water. A backflow preventer stops that from happening.
Who needs testing
You likely need backflow testing if you have:
- An irrigation/sprinkler system
- A commercial property
- A fire-suppression system
- A notice from your water provider
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Call (207) 419-2600What testing involves
A certified technician tests the assembly with gauges, documents the result, and repairs or rebuilds the device if it fails — keeping you compliant and your water protected.