T/GGAA 001-2021 Home gas-fired instantaneous water heater

Scope

Scope: This standard specifies the terms and definitions, classification and models, material and structural requirements, performance requirements, test methods, inspection rules, marking, installation, packaging, transportation, and storage of household gas instantaneous water heaters. This standard is only applicable to household heating water gas instantaneous water heaters (hereinafter referred to as water heaters) with a rated heat load of not more than 70kW. This standard is not applicable to flue-type gas water heaters, self-balancing gas water heaters, and volumetric gas water heaters. Note 1: The gas referred to in this standard refers to gas that meets the standard of GB/T 13611 "Classification and Basic Characteristics of Urban Gas". Main technical contents: Material and structural requirements (general requirements, electrical safety, heat exchanger, service life requirements, anti-wind-up device), performance requirements (general requirements, water heater performance requirements, overall machine reliability requirements, heat load requirements under minimum gas supply pressure, buffer tank performance requirements, nitrogen oxide content test requirements in water heater flue gas, evaluation of water heater hot water quality, requirements for water heaters with preheating function, overall machine storage test requirements, electromagnetic compatibility safety and electronic control system requirements of water heaters, green design requirements), test methods (general requirements, gas system air tightness test, combustion conditions, low-temperature environment, flue blockage, air leakage of anti-wind-up device, frost protection, buffer tank), inspection rules, marking, installation, packaging, transportation, and storage, etc.

Development Information

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