How to Find Your Backflow Preventer’s Serial Number
Where the serial number sits on a backflow preventer, how to tell it from the model and size, and what to do when the tag is missing or unreadable.
Today, South Jersey Backflow was called out to Toms River, NJ, to conduct an annual backflow preventer test for the town’s public park irrigation system. The Toms River Public Works Department manages several parks, and they contract us yearly to ensure compliance with New Jersey water safety regulations.
The backflow preventer in question was an Ames C200 Reduced Pressure Zone Assembly (RPZ), designed to protect the municipal water supply from contaminants like fertilizers, pesticides, and organic debris that could enter the system through the sprinkler heads.
The C200 RPZ was installed in a partially buried concrete enclosure near the park’s maintenance shed. During our initial inspection, we observed:
We then set up our test kit and performed a full backflow test:
Although the unit passed testing, we performed preventive maintenance to ensure longevity:
After completing the maintenance, we:
Before leaving, we advised the maintenance team to:
Another successful job completed for South Jersey Backflow, keeping Toms River’s public parks safe and compliant!
Where the serial number sits on a backflow preventer, how to tell it from the model and size, and what to do when the tag is missing or unreadable.
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