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BSI DD 189:1990

BSI DD 189:1990

$86.31

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

Published By Publication Date Number of Pages
BSI 1990 10
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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.

BSI DD 189:1990
$86.31