OAR 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.]

Source: Rule 918-770-0320 — Approved Plumbing Product Standards and Specifications, https://secure.­sos.­state.­or.­us/oard/view.­action?ruleNumber=918-770-0320.

Last Updated

Jun. 8, 2021

Rule 918-770-0320’s source at or​.us