WM Specification File
Download Specification (1.17 MB)
This WaterMark Technical Specification sets out requirements and test methods for devices to attenuate positive pressure transients in plumbing stacks, intended for operation within the temperature range of 0°C to 40°C.

Licences evaluated under this specification

WM Certificates associated with this Specification

Certificate Current Certification Date Current Expiry Date Status
032325 15 May 2025 14 May 2030 Active
WMK20006 20 Nov 2023 15 Oct 2028 Active
022831 20 May 2022 29 Jul 2026 Active