GB 25034-2020 Gas-fired heating and hot water combi-boiler
GB 25034-2020 Gas-fired heating and hot water combi-boiler
Basic Information
Scope
This standard specifies the terms and definitions, classification and models, materials, structures, and safety requirements, performance requirements, test methods, inspection rules, marking and instructions, packaging, transportation, and storage of gas heating water heaters (hereinafter referred to as heating furnaces).
This standard applies to heating furnaces with a rated heat load of less than 100 kW, a maximum heating working water pressure of not more than 0.6 MPa, and a working water temperature of not more than 95℃, which use atmospheric or fully premixed combustion, including:
a) Type 1P and Type 1G forced air supply and exhaust heating furnaces in Appendix A;
b) Type 9P and Type 9G forced exhaust fully premixed condensing furnaces with a heat load of more than 70 kW in Appendix A;
c) Type 10Z, 10P, and 10G outdoor heating furnaces in Appendix A.
The gas referred to in this standard is artificial gas, natural gas, and liquefied petroleum gas as specified in GB/T 13611.