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Gas information sheet 40: Domestic Gas Appliance and Commercial Kitchens

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Introduction


This information sheet is designed to assist gasfitters with the installation of domestic gas appliances into commercial kitchens, whether or not the appliance is used in a commercial capacity or not, and insituations where a commercial gas appliance is installed in a domestic kitchen.

Note to gasfitters: Carefully assess the installation beforehand as you may need to apply for anexemption from ESV and always ensure the gas appliance is certified. Uncertified appliances are not allowed to be installed.

Definitions

Commercial kitchen and gas appliances

Commercial kitchen constitutes, first and foremost, a kitchen that has been set up for the purpose of
supplying cooked and prepared foods for sale to the public or other commercial ventures.
Commercial catering appliances are appliances that have been certified to AS 4563 Commercial catering gas equipment. Information about a product’s certification can be found in the GTRC National Certification Database, here.

It is assumed that gas appliances designed for commercial applications will be in continuous use for long periods of time, and with a high heat output.

Domestic kitchen and gas appliances

Domestic kitchen constitutes a space set aside within a domestic dwelling where food is prepared for the consumption of the inhabitants, none of which is prepared for sale.

Domestic cooking appliances are appliances that have been certified to AS 4551 Domestic gas cooking appliances. Information about a product’s certification can be found in the GTRC National certification database, here.

It is assumed that gas appliances designed for domestic purposes will be in use for short durations of time, with intermittent use and with a low heat output.

When is a Schedule 6 exemption required?

A person carrying out gasfitting work must ensure that the work complies with the prescribed standards, AS/NZS 5601.1 Gas installations – General installations, and requirements, or the standards required by ESV (Gas Safety Act 1997). If the work is outside all or any of the prescribed standards and requirements then an application for exemption must be submitted to ESV. Refer to Schedule 6 of the Gas Safety (Gas Installation) Regulations 2008 for the requirements of that application.

Domestic appliances installed in commercial kitchens

Where a domestic cooking appliance is installed in a commercial kitchen, then the installation must be in accordance with the requirements for installation of a domestic cooking appliance, refer to clause 6.10.1 from AS/NZS 5601.1 Gas installations – General installations. Always follow manufacturer’s instructions for installation and use.

Always check with the manufacturer that the domestic appliance is suitable for use in a commercial kitchen situation.

Commercial appliances installed in domestic kitchens

Where a commercial gas appliance is installed in a domestic kitchen, then the installation is no longer considered a domestic kitchen, and must meet all requirements for commercial catering appliances under AS/NZS 5601.1 Gas installations – General installations, refer to clause 6.10.2, including the requirement for the installation of a range hood as required in AS 1668.2-2012 The use of ventilation and airconditioning in buildings – Mechanical ventilation in buildings and protection of combustible materials.

Guidance should be sought from the manufacturer or supplier with regards to the suitability of any appliance for such an installation.

Summary

In situations where a domestic cooking appliance is installed in a commercial kitchen all applicable requirements for domestic cooking appliances from AS/NZS 5601.1 Gas installations – General installations and the manufacturer’s installation instructions must be satisfied.

In situations where a commercial catering appliance is installed in a domestic kitchen all applicable requirements for commercial catering appliances from AS/NZS 5601.1 Gas installations – General installations and the manufacturer’s installation instructions must be satisfied.

In all cases ensure the gas appliance is certified before it is installed.

Further information

For further information please contact the Gas Safety Technical Information Line on 1800 652 563