BS 5440-2:2023 PDF
Chimneys, flue pipes and ventilation for gas appliances of rated input not exceeding 70 kW net (1st, 2nd and 3rd family gases)-Installation and maintenance of ventilation provision for gas appliances. Specification
BS 5440-2:2023 History
BS 5440-2:2023
$155.00 $310.00
BS 5440-2:2000
$132.00 $264.00
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