Plumbers' technical note – Water heater installations

This publication is for: 
Plumber

This technical note has been issued to inform the plumbing industry about the correct termination of drain lines from temperature/pressure-relief valves and expansion control valves associated with new installations as well as alterations, additions and repairs to existing installations of all types of water heaters.

Building Commission
Technical standards
Last updated 22 May 2014

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