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Significant changes have been made to AS/NZS 5601 to improve consumer safety and to clarify aspects of gasfitting work.
AS/NZS 5601 amendment 2 2024
In September 2024, Standards Australia published amendment 2 to the Gas Installation Standards AS/NZS5601.1
- Gas Installations: General installations and AS/NZS5601.2
- Gas Installations: LP Gas installations in caravans and boats for non-propulsive purposes.
Key changes
AS/NZS 5601.1:2022
5.2.11 | Provides clarity on active fire systems and references DIN 30652-1 [excess flow valves for gas installations] as the standard that fire emergency isolation must comply with. |
|---|---|
Clause and | Clarifies the requirements for reversion fittings and explains that copper pipework must be extended from any wall outlet to 1m within the wall. |
6.2.4 | Prohibits the installation of flueless space heaters in certain locations and introduces new flue clearance requirements from batteries and battery energy storage systems (BESS). |
Clause 6.9.3 and | Introduces new provisions for small gas driven engine appliances. |
Clause 6.10.1.1 | Introduces provisions for down-draught extraction systems. |
Clause 6.10.9.5 | Clarifies when ventilation is not required for flame effect fires. |
AS/NZS 5601.2:2022
New definitions | For appliance, hazardous area and living space. |
|---|---|
Clause 3.1.8 and | Clarifies measurement requirements for vapour barriers. |
Table 5.1.4.3 | Materials for piping systems in caravans has had multiple amendments to pipe, section and fitting limitations. |
Clause 6.3.2 | Provides clarity for stowed appliances. |
Clause 7.3.1 | Provides clarity on room sealed appliances and ventilation of living spaces. |
Clause 7.3.1 | Introduces new requirements for annex ventilation. |
Previous AS/NZS 5601 amendments
Energy Safe Victoria’s (ESV) web page on AS/NZS 5601 changes details the amendments to AS/NZS 5601 over time.
Last updated 30 June 2026