BS 5546:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for installation of gas hot water supplies for domestic purposes (1st, 2nd and 3rd family gases)
Hardcopy , PDF
15-10-2000
English
31-05-1990
Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. Materials and components
4. Selection of system
5. Planning the installation
6. Water supply
7. Gas supply
8. Electricity supply
9. Instantaneous water heater installations
10. Installation of combination appliances
11. Installation of vented storage water heaters
12. Installation of unvented storage water heaters of
capacity exceeding 15 L
13. Circulator installations
14. Boiler installations
15. Water-jacketed tube heater installations
16. Open-vented circulating systems
17. Showers for bathing
18. Advice to user
Tables
1. Maximum permissible lengths of uninsulated hot
water pipes
2. Minimum vertical distance between draw-off tap and
spill-over level
3. Maximum interval between pipe supports
Figures
1. Circulator installation in cylinder/airing cupboard
2. Example of a cistern complying with 6.2.1
3. Examples showing the clear space needed above
storage cisterns
4. Typical large instantaneous water heater installation
on cistern supply
5. Typical direct circulating system
6. Temporary connection to primary circuit
7. Typical indirect circulating system
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