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About This Item
Full Description
All current amendments available at time of purchase are included with the purchase of this document.
Document History
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BS 6644:2011
Specification for the installation and maintenance of gas-fired hot water boilers of rated inputs between 70 kW (net) and 1.8 MW (net) (2nd and 3rd family gases)- Most Recent
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BS 11/30229801 DC
BS 6644. Specification for the installation of gas-fired hot water boilers of rated inputs between 70kW (net) and 1.8 MW (net) (2nd and 3rd family gases)- Historical Version
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BS 6644:2005+A1:2008
Specification for installation of gas-fired hot water boilers of rated inputs of between 70kW (net) and 1.8 MW (net) (2nd and 3rd family gases)- Historical Version
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BS 6644:2005
Specification for Installation of gas-fired hot water boilers of rated inputs between 70 kW (net) and 1.8 MW (net) (2nd and 3rd family gases)- Historical Version
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BS 6644:1991
Specification for installation of gas-fired hot water boilers of rated inputs between 60 kW and 2 MW (2nd and 3rd family gases)- Historical Version
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BS 6644:1990
Specification for installation of gas-fired hot water boilers of rated inputs between 60 kW and 2 MW (2nd and 3rd family gases)- Historical Version
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BS 6644:1986
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Specification for installation of gas-fired hot water boilers of rated inputs between 60 kW and 2 MW (2nd and 3rd family gases)- Historical Version
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BS CP 332-3:1970
Selection and installation of town gas space heating.-Boilers of more than 150 000 Btu/h (44 kW) and up to 2 000 000 Btu/h (586kW) output- Historical Version