AS 3645:2017 Essential requirements for gas equipment
2.3.4.1 Quality of combustion
Appliances shall be designed and constructed so that, when used in accordance with the supplied instructions, flame stability is assured, flame abnormality is avoided, the emission of substances harmful to health is minimized and no fire hazard arises.
2.3.4.2 Release of combustion products
Gas equipment shall be designed and constructed so that, when used in accordance with supplied instructions, there will be no unintended release of combustion products.
2.3.4.3 Abnormal draught conditions
Gas equipment designed for connection to a flue for the removal of combustion products shall be constructed so that, when the equipment and flue system are installed in accordance with the supplied instructions, abnormal draught conditions do not result in dangerous release of combustion products into the space in which it is installed.
2.3.4.4 Emissions from flueless appliances
An indoor flueless appliance shall not release combustion products at concentrations likely to present a danger to the health of persons when it is installed and used in accordance with the supplied instructions.
2.3.5.1 Surrounding surfaces
When gas equipment is installed and used in accordance with supplied instructions, parts of the equipment in close proximity to combustible surfaces shall not reach temperatures that create a hazard to or cause changes in surrounding materials that may accumulate and cause a hazard.
2.3.5.2 Gas equipment controls
Gas equipment shall be designed to ensure that the surface temperatures of controls intended to be handled shall not present a hazard to the user.
2.3.5.3 Surfaces likely to be touched
Gas equipment shall be designed to ensure that the temperature of surfaces that are likely to be touched shall not under any operating conditions present a hazard to persons.
2.3.7 Mechanical safety
Gas equipment shall be designed and constructed to minimize mechanical hazards.
NOTE: Mechanical hazards include but are not limited to sharp points, corners or edges, and hazards from moving parts.
2.3.8 Stability and support
Appliances shall have adequate means of support and shall be stable or remain safe when subjected to anticipated external forces.