Standard No.:	GB 20665-2015
English Name:	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
Chinese Name:	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
Chinese Classification:	F01    Technical management
Professional Classification:	GB    National Standard
Issued by:	AQSIQ; SAC
Issued on:	2015-05-15
Implemented on:	2016-6-1
Status:	valid
Superseding:	GB 20665-2006 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
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	40.0
Delivery:	via email in 1 business day

This standard specifies the minimum allowable values of energy efficiency, evaluating values of energy conservation, energy efficiency grade, test methods and inspection rules of the domestic gas instantaneous water heater (including condensing domestic gas instantaneous water heater, hereinafter referred to as water heater) and gas-fired heating and hot water combi-boiler (including condensing gas-fired heating and hot water combi-boiler, hereinafter referred to as heating combi-boilers). This standard is applicable to the water heater and heating combi-boiler which use fuel gas as the energy only and have a thermal load not greater than 70kW. This standard is not applicable to the fuel gas positive displacement water heater. The referred fuel gas in this standard shall meet the requirements of GB/T 13611.

Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Technical Requirements 5 Test Methods 6 Inspection Rules