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Frequently Asked Questions

ESV has compiled a list of Frequently Asked Questions to assist the community and tradespeople on queries around the safe use of gas.

Industry guidance

Gas safety checklist FAQs

Answers safety questions raised by gasfitters.

Industry guidance

AS/NZS 5601.1:2022 FAQ

Answers questions about AS/NZS 5601.1:2022

Industry guidance

Open-flued gas space heaters FAQs

Answers questions about open-flued gas space heater (OFGSH) features.

Industry guidance

Gas equipment and installations

Answers questions about gas equipment and installations.

Industry guidance

Gas and pipeline infrastructure FAQs

Answers questions about gas and pipeline infrastructure.

Industry guidance

Electrolysis mitigation FAQs

Answers to questions about electrolysis mitigation.

Date: 13/11/2026 16:21

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The currency and accuracy of this document cannot be guaranteed once printed or saved to a storage device. If in doubt, please check the ESV website for the current version.

Industry guidance

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