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Cold Potable Water Meters and Hot Water Meters: Comment Sought

NMI is proposing to adopt and amend the international recommendation OIML R 49 Water Meters for Cold Potable Water and Hot Water Parts 1, 2 and 3 as the Australian pattern approval standard.

Comments are now being sought on the second draft.

Article date:
21/08/2014 12:00 AM

Second draft of NMI R 49 (submissions closed)

As indicated in the response paper below, NMI prepared a second draft of NMI R 49 Water Meters for Cold Potable Water and Hot Water Parts 1, 2 and 3.

The second draft incorporates the amendments outlined in the response paper based on stakeholder submissions on the first draft on NMI R 49:

Submissions closed Friday 17 April 2015.


First draft of NMI R 49 (submissions closed)​

Please find below the consultation paper which provides further background as well as drafts of NMI R 49 Parts 1, 2 and 3.

Submissions closed Tuesday 30 September 2014.

NMI response to submissions

NMI has considered all submissions received regarding the above consultation. Please find below a document outlining NMI responses to these submissions and the next steps in the adoption of OIML R 49.


On 3 March 2016, NMI published the latest edition of NMI R 49.