BS 6644:1991
Withdrawn
Date published:
Specification for installation of gas-fired hot water boilers of rated inputs between 60 kW and 2 MW (2nd and 3rd family gases)
Requirements for the installation of single and groups of boilers, selection and siting, open vented and sealed systems, controls and safety, air supply and ventilation, flues and commissioning.
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BS 6644:1991
Get this standard
Prices exclude GST
PDF
( Single user document)
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HardCopy
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