Recommendations on the selection of boilers for use with open and sealed systems and on their installation in domestic and commercial premises. Does not cover the heating system as a whole.

Original price was: $264.16.$132.00Current price is: $132.00.
Code of practice for selection and installation of gas space heating (1st and 2nd family gases)-Boilers of rated input not exceeding 60 kW
BSI Group , 07/30/1976
