BS 5440-1:2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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
12-12-2023
03-31-2008
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Competence
5 General
5.1 Compatibility of appliances and chimneys
5.2 Chimney outlets
5.3 Chimneys for use with condensing appliances (open-flued
and room-sealed)
5.4 Location of appliances
5.5 Passive stack ventilation
5.6 Exchange of information and planning
5.7 Maintenance
6 Individual open-flued natural draught Types B[11], B[12], B[13]
appliances
6.1 Design
6.2 Installation
6.3 Commissioning
6.4 Radon gas systems present
6.5 Maintenance
7 Individual open-flued fanned draught Types B[14], B[22], B[23]
appliances and fanned draught chimneys
7.1 Design
7.2 Installation
7.3 Commissioning
7.4 Maintenance
8 Shared open flue chimney for natural draught Types B[11], B[12],
B[13] appliances
8.1 Design
8.2 Installation
8.3 Maintenance
9 Room-sealed natural draught chimney configurations (balanced flue)
for Type C[11] appliances
9.1 General
9.2 Installation
9.3 Installation checks
9.4 Maintenance
10 Room-sealed: fanned draught chimney configurations balanced flue
(Type C[12], C[13], C[32] and C[33]) and non-balanced flue (Type
C[52], C[53], C[62] and C[63]) appliances
10.1 Design options
10.2 Installation
10.3 Installation checks
10.4 Maintenance
11 Balanced compartment
11.1 General
11.2 Design
11.3 Balanced compartment construction
11.4 Temperature effects
11.5 Terminals
11.6 Commissioning
11.7 Maintenance
12 Room-sealed Types C[2] and C[4] appliances for shared chimneys
12.1 Selection and installation of a suitable chimney
12.2 Terminal design and location
12.3 Inspection
12.4 Selection and installation of compatible appliances
12.5 Commissioning
12.6 Maintenance
13 Special categories of chimney
13.1 Chimneys for Type C[7] ("Vertex") appliances
13.2 Other open flue fanned draught chimneys
Annexes
Annex A (informative) Classifications
Annex B (informative) Calculation method for flue sizing
Annex C (normative) Chimney outlet positions
Annex D (informative) Guidance on the design and installation of
flue block systems in the UK
Annex E (informative) Checking of case seals and the general
integrity of room-sealed fan assisted positive
pressure gas appliances
Annex F (normative) Design criteria for terminals for shared system
chimneys
Bibliography
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