Asset records
Backflow preventer serial number: find the record that makes service traceable
A serial number supports asset traceability when present, but it does not replace the model, size, device type, location, and service history.
A serial number supports asset traceability when present, but it does not replace the model, size, device type, location, and service history. Keep all identifiers together so a future test or repair can be matched correctly.
Escalate a missing or unreadable label when a repair kit or replacement decision depends on exact identity.
Interactive check
Turn observations into a next step
This narrows the route. It does not replace an on-site test, manufacturer instructions, or local requirements.
Evidence sequence
Move in this order
- 01
Verify the exact asset
Capture the label before removal or repainting.
- 02
Apply the right requirement
Create one durable asset record with location and service history.
- 03
Retain the completed record
Use the full record for parts, testing, and replacement decisions.
Identification notes
What to look for
- Record serial number with manufacturer, model, nominal size, and site location.
- Do not treat a serial number as a universal public parts lookup.
- Link test, repair, and filing records to the same asset identity.
Safe observations
What you can check without taking it apart
- Use the official utility or authority requirement for this property.
- Confirm exact model and size before parts, repair, or replacement work.
- Retain the final result with the property asset record.
Stop conditions
Move to qualified help when
- The model and size are missing from the asset record.
- The serial number is being used as the only compatibility evidence.
Boundary check
Do not confuse this path with
- A generic service listing does not establish program eligibility.
- A device family is not enough to identify compatible parts.
- This page does not replace a qualified assessment or authority approval.
Official local layer
Your utility sets the rule
The governing program determines compliance requirements, while exact manufacturer documentation determines the identified assembly service path.
Evidence ledger
What this decision path is built on
The governing program determines compliance requirements, while exact manufacturer documentation determines the identified assembly service path.
- 01U.S. EPA · EPA-CCC-001Cross-Connection Control ManualBackflow, backsiphonage, device families, hazard protection, testing, and program responsibility. Verified 2026-08-02.
- 02Watts · WATTS-RPZ-009Series 009 reduced pressure zone assemblyRPZ construction, relief discharge, installation constraints, service literature, and local-code warning. Verified 2026-08-02.
Continue the case
Related next steps
CONTENT REVIEWED · 2026-08-02