Oregon Department of Consumer and Business Services, Building Codes Division

Rule Rule 918-770-0320
Approved Plumbing Product Standards and Specifications

The following standards and specifications for plumbing products are approved by the Board:


Composting Toilets, NSF Standard No. 41 — May 1983.


Recognized plumbing product standards listed in Chapter 14, Table 14-1 of the Oregon State Plumbing Specialty Code adopted in OAR 918-750-0110 (Oregon Plumbing Specialty Code).


Testable backflow prevention assemblies approved by the Oregon Health Division Drinking Water Program and listed on the January 2000 “Approved Backflow Prevention Assembly List.”
[Publications: Publications referenced are available from the agency.]

Last accessed
Jun. 8, 2021