BS DD 189:1990

Original price was: $160.02.Current price is: $80.00.

Specification for the safety of condensing boilers (2nd and 3rd family gases)

BSI Group , 06/29/1990

Pages: 10

Category:
Requirements and associated methods of test for central heating boilers designed to utilise a proportion of the latent heat of condensation of the water vapour in the combustion products.