Bsi bs en 00656 2000 (2006)

BRITISH STANDARD BS EN 656:2000 Incorporating Amendment No Gas-fired central heating boilers — Type B boilers of nominal heat input exceeding 70 kW but not exceeding 300 kW The European Standard EN 656:1999, with the incorporation of amendment A1:2006, has the status of a British Standard ICS 91.140.10 12&23