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New Type A appliance service gas information sheets

ESV has published three new gas information sheets that cover a range of topics on the subject of servicing Type A gas appliances.

Gas information sheet 57, Your Obligations under the Gas Safety Act, discusses a gasfitter’s responsibilities under the Act as well as providing a reminder of some key elements that must be completed when servicing an open-flue Type A gas appliance.

Gas information sheet 58, The Quality and Adequacy of Air Supply, discusses the three points to be considered in relation to the supply and movement of air: air supply quality (AS/NZS 5601.1:2013, clause 6.4.2); air supply adequacy (AS/NZS 5601.1:2013, clause 6.4.1); and the adverse effect of air movement systems (AS/NZS 5601.1:2013, clause 6.3.1).

Gas information sheet 59, Inspecting and Servicing Type A Appliances, discusses the inspection and service work checklists gasfitters need to follow when inspecting and servicing any open-flue gas appliance.

To see all existing Gas technical information sheets, click here.

Understanding and testing for a negative pressure environment

ESV has developed a short animation for gas fitters explaining what a negative pressure environment is, its effect on open flue gas heaters, how to test for it and how to mitigate it.

More information

For the specific requirements for your installation, always refer to the relevant clause in AS/NZS 5601.1:2013 or contact ESV’s Technical Information line on 1800 652 563 or at for more information.