BS 5440-1:2008 : Title: Flueing and ventilation for gas appliances of rated input not exceeding 70 kW net (1st, 2nd and 3rd family gases) Specification for installation of gas appliances to chimneys and for maintenance of chimneys Pages: 122 Year: Publisher: British Standards Institution Availability: Within 1-2 working days
BSI will directly send the standards to End-User after our confirmation.