What does ASSE backflow prevention cover?

Assembly type for the hazard level; Orientation, clearance and drainage of the installation; Annual test procedure and reporting; Repair and retest documentation.

What does a field inspection against ASSE backflow prevention look at?

Test kit readings photographed with the assembly tag visible in the same frame. Serial number and model captured so the report cannot be attached to the wrong device. Relief valve discharge and clearance shown as installed.

Which checklists verify work against ASSE backflow prevention?

2 free checklists in the RTI library reference this family. Each is listed on this page with the photo evidence every item needs before it can be submitted.

American Society of Sanitary Engineering

ASSE backflow prevention

Backflow prevention assemblies protect the potable supply from cross-connection. ASSE guidance, together with the local water authority's rules, governs how an assembly is installed and how it is tested on interval by a certified tester.

Adoption varies by jurisdiction. Confirm the edition your authority having jurisdiction enforces before you run a walk against it.

Run it with the Photo Gate

Backflow prevention assembly quarterly maintenance checklist

13 items · 8 photos required

Start free with it Try the gate on it first

What it covers

Assembly type for the hazard level
Orientation, clearance and drainage of the installation
Annual test procedure and reporting
Repair and retest documentation

What the evidence looks like

Test kit readings photographed with the assembly tag visible in the same frame.
Serial number and model captured so the report cannot be attached to the wrong device.
Relief valve discharge and clearance shown as installed.

Checklists that verify work against ASSE backflow prevention

2 free checklists, each with the photo every item needs before it can be submitted.

Backflow prevention assembly QuarterlyBackflow prevention assembly quarterly maintenance checklistVisual check of valve positions, leaks and enclosure condition on the backflow assembly13 items8 photos Backflow prevention assembly AnnualBackflow prevention assembly annual maintenance checklistCertified field test of the check valves and relief valve, with the report filed14 items11 photos

Common questions

5 answers

What is ASSE backflow prevention?: Backflow assemblies: installation orientation, clearances and annual testing. It is published by the American Society of Sanitary Engineering. Backflow prevention assemblies protect the potable supply from cross-connection. ASSE guidance, together with the local water authority's rules, governs how an assembly is installed and how it is tested on interval by a certified tester.
What does ASSE backflow prevention cover?: Assembly type for the hazard level; Orientation, clearance and drainage of the installation; Annual test procedure and reporting; Repair and retest documentation.
What does a field inspection against ASSE backflow prevention look at?: Test kit readings photographed with the assembly tag visible in the same frame. Serial number and model captured so the report cannot be attached to the wrong device. Relief valve discharge and clearance shown as installed.
Which edition of ASSE backflow prevention applies to my project?: Adoption varies by jurisdiction. Confirm the edition your authority having jurisdiction enforces before you run a walk against it.
Which checklists verify work against ASSE backflow prevention?: 2 free checklists in the RTI library reference this family. Each is listed on this page with the photo evidence every item needs before it can be submitted.

A standard is only met if the evidence exists

RTI holds the submit button until every mandatory item is answered and the photos are attached, then chains the record so it can be proven untouched later.

Start free Download field one-pager (PDF)

30-day trial · No card required