GB 25034-2010 Gas-fired heating and hot water combi-boilers
GB 25034-2010 Gas-fired heating and hot water combi-boilers
Basic Information
Scope
This standard specifies the terms and definitions, classification and parameters, materials, structure and safety requirements, performance requirements, test methods, inspection rules, marking, warnings and instructions, packaging, transportation and storage of gas-fired heating water heaters with enclosed combustion (hereinafter referred to as the appliance).
This standard applies to appliances with a rated heat input of not more than 70 kW, a maximum heating working water pressure of not more than 0.3 MPa, a working water temperature of not more than 95 °C, and using atmospheric burners, fan-assisted burners, or fully premixed burners for heating and water heating. It also applies to single heating appliances.
This standard does not apply to the following appliances:
——Natural exhaust flue-type and outdoor-type appliances;
——Condensing appliances;
——Volume-type appliances;
——Appliances that use two independent combustion systems for heating and hot water in the same housing, including appliances with a common flue for both systems.