BS 5449:1990

Specification for forced circulation hot water central heating systems for domestic premises

Requirements and recommendations for the general planning, designing and installation of forced circulation hot water central heating systems on domestic premises.

This British Standard specifies requirements and gives recommendations on good practice in the work involved in the general planning, designing and installation of forced circulation hot water central heating systems with heat requirements, which may include those for domestic hot water, up to a total of 45 kW.

This standard covers the following types of heating systems:

a) open-vented small bore and microbore; and

b) sealed small bore and microbore.

Requirements and recommendations are given on materials, appliances and components, design considerations, installation work on site, and commissioning

This British Standard supersedes BS 5449-1:1977 which is withdrawn.

This standard includes the following cross-references:

BS 21, BS 143 & BS 1256, BS 417, BS 864, BS 864-2, BS 1010, BS 1212,

BS 1212-2, BS 1212-3, BS 1252, BS 1387, BS 1394, BS 1566, BS 1566-1,

BS 1566-2, BS 1740, BS 1894, BS 2051, BS 2051-1, BS 2051-2, BS 2767, BS 2871, BS 2871-1, BS 2879, BS 3198, BS 3378, BS 3456, BS 3456-2.21, BS 3528,

BS 4127, BS 4213, BS 4433, BS 4814, BS 4834, BS 4876, BS 5154, BS 5258,

BS 5258-1, BS 5258-8, BS 5258-15, BS 5410, BS 5410-1, BS 5440, BS 5440-1,

BS 5440-2, BS 5482, BS 5615, BS 5955-8, BS 6282, BS 6332, BS 6332-1,

BS 6332-3, BS 6400, BS 6461, BS 6461-1, BS 6461-2, BS 6700, BS 6798, BS 6891, BS 7074, BS 7074-1, BS 7291, BS 7291-1, BS 7291-2, BS 7291-3, BS 7671,

BS 8303, IGE/UP/7, PD 6501 and PD 6501-1.