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

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Scope

This Standard specifies the minimum allowable values of energy efficiency, energy-
conservation evaluating value, energy efficiency grades, test methods and inspection
rules for 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-boilers.
This Standard is applicable to the water heater and heating furnace with gas as the
only energy and heat load no greater than 70kW.
This Standard is not applicable to the gas storage water heater.
The gas indicated in this Standard shall conform to the provisions of GB/T 13611.

Basic Data

Standard ID	GB 20665-2015 (GB20665-2015)
Description (Translated English)	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
Sector / Industry	National Standard
Classification of Chinese Standard	F01
Classification of International Standard	27.010
Word Count Estimation	6,662
Date of Issue	2015-05-15
Date of Implementation	2016-06-01
Older Standard (superseded by this standard)	GB 20665-2006
Quoted Standard	GB 6932-2001; GB/T 13611; GB 25034-2010; CJ/T 336-2010; CJ/T 395-2012
Regulation (derived from)	National Standard Announcement 2015 No. 15
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This Standard specifies the domestic gas instantaneous water heaters (including domestic gas condensing water heater, hereinafter referred to as heaters) and gas heating water heaters (including dual-condensing gas furnace warm bath, hereinafter referred to as stove) the energy efficiency of limited value, energy assessment value, energy efficiency rating, test methods and inspection rules. This Standard applies only to gas as the heat load is not more than 70 kW of energy water heater and stove. This Standard does not apply to gas storage water heater. This Standard shall comply with the provisions referred to gas GB/T 13611 of.