Test backflow preventer (RPZ certification)
Why it matters
Many municipalities require annual certified testing of backflow preventers on irrigation or boiler feed lines. A failed preventer allows contaminated water to flow backward into the potable water supply, creating a serious public health hazard.
Stop forgetting to do this.
Hearth generates a personalized maintenance schedule so you never miss another test backflow preventer (rpz certification).
How to do it
- 1
Contact your local water authority to confirm annual testing requirement.
- 2
Find a certified plumber licensed to test backflow preventers.
- 3
Schedule the testing appointment at least 4–6 weeks before your deadline.
- 4
The plumber will inspect, test, and certify the backflow preventer.
- 5
You will receive a certification document to submit to your water authority.