ESV has published three new gas information sheets that cover a range of topics on the subject of servicing Type A gas appliances.
, 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)..
Understanding and testing for a negative pressure environmentESV 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. [embed]]
More informationFor 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.
Reviewed 18 January 2023