BS 5440-2:2009 Flueing and ventilation for gas appliances of rated input not exceeding 70 kW net (1st, 2nd and 3rd family gases). Specification for the installation and maintenance of ventilation provision for gas appliances
BS 5440-2 gives practical guidance to gas installers for installing and maintaining gas appliance combustion and/or cooling ventilation.
BS 5440-2 specifies the requirements for the installation and maintenance of ventilation provision relating to gas appliances utilizing 1st, 2nd or 3rd family gases, with a rated heat input not exceeding 70 kW based on net CV (net calorific value). It applies to provisions used for domestic or non-domestic purposes.
BS 5440-2 does not cover:
a) Liquefied petroleum gas (LPG) installations covered by BS 5482-2 and installations with gases covered by PD 5482-3
b) Gas installations in caravans, holiday homes or residential park homes conforming to BS EN 721 or BS 3632 as appropriate, which were installed at the time of construction
c) Decorative fuel effect gas appliances, covered by BS 5871-3
d) Multiple cooking appliance installations in catering establishments and schools.
This part of BS 5440 supersedes BS 5440-2:2000, which is withdrawn.
Contents of BS 5440-2:
2 Normative references
3 Terms and definitions
5 Design and materials for air vents and ducts
6 Free area and positioning of air vents
7 Other aspects of ventilation
8 Servicing and maintenance
List of figures
List of tables
Flueing and ventilation for gas appliances of rated input not exceeding 70 kW net (1st, 2nd and 3rd family gases). Specification for installation of gas appliances to chimneys and for maintenance of chimneys