GB 20665-2015 (English Version) PDF

Standard No.: GB 20665-2015
Language: Chinese, Available in English version
Release Date: 2015
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB 20665-2015
Replace: GB 20665-2006

Scope: This standard specifies the allowable value of energy efficiency and energy-saving evaluation for domestic gas-fired instant water heaters (including condensing domestic gas-fired instant water heaters, hereinafter referred to as water heaters) and gas-fired heating water heaters (including condensing gas-fired dual-purpose heating and bath heaters, hereinafter referred to as heating boilers). Value, energy efficiency grade, test method and inspection rules. This standard applies to water heaters and heating furnaces that only use gas as energy and have a heat load not greater than 70 kW. This standard does not apply to gas volumetric water heaters. The gas referred to in this standard shall comply with the provisions of GB/T 13611.

GB 20665-2015 Referenced Document

CJ/T 336-2010 Condensing domestic gas instantaneous water heaters
CJ/T 395-2012 Gas-fired heating and hot water condensing combi-boilers
GB 25034-2010 Gas-fired heating and hot water combi-boilers
GB 6932-2001 Domestic gas instantaneous water heater
GB/T 13611 Classification and basic characteristics of city gas*， 2018-03-15 Update

2015 GB 20665-2015 Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas instantaneous water heaters and gas fired heating and hot water combi-boilers
2006 GB 20665-2006 Minimum allowable values of energe efficiency and energy efficiency grades for domestic gas instantaneous water heater and gas fired heating-hot water combi-boilers