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Chinese National Standard Category: Technical management

English Title: Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas instantaneous water heater and gas fired heating and hot water combi-boilers
Chinese Title: 家用燃气快速热水器和燃气采暖热水炉能效限定值及能效等级
Standard No.: GB 20665-2006
Category No.: F01
Issued by: AQSIQ, SAC
Issued on: 2006-12-12
Implemented on: 2007-7-1
Status: superseded
Superseded by:GB 20665-2015 Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas instantaneous water heaters and gas fired heating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
Superseded on:
Abolished on:
Superseding:
Word Count:2000 words
Similar Standards: DB31/T 1253-2020   DB31/ 742-2020   DB31/ 674-2020   DB31/ 506-2020   DB31/ 627-2020   DB31/T 1246-2020   DB31/T 595-2021   DB31/ 590-2012   DB31/ 652-2020   DB31/ 720-2020   DB31/T 34-2020   DB31/T 945.5-2020   DB31/ 574-2020   DB31/T 945.4-2020   GB/T 6421-1986   DB31/T 204-2021   DB31/T 25-2020   DB31/ 712-2020   DB31/T 1213-2020   DB31/T 214-2013  
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