This standard specifies the terms and definitions, classification and model, materials, structure and safety devices, performance requirements, test methods, inspection rules, signs and instructions, packaging, transportation and storage of gas volumetric water heaters (hereinafter referred to as water heaters). This standard applies to gas volumetric water heaters with a rated heat load less than 100kW and a rated volume less than 500L. The gas referred to in this standard is artificial coal gas, natural gas and liquefied petroleum gas specified in GB/T13611.
GB 18111-2021 Referenced Document
CJ/T 450 Pneumatic gas/air ratio adjustment devices for gas-burning appliances
GB/T 12113-2003 Methods of measurement of touch current and protective conductor current
GB/T 13611 Classification and basic characteristics of city gas
GB/T 16411-2008 Universal test methods of gas burning appliances for domestic use
GB/T 17627 High-voltage test techniques for low-voltage equipment—Definitions,test and procedure requirements,test equipment
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 20910 Temperature/pressure safety valve for hot water supply system
GB/T 2828 Batch-by-batch inspection counting sampling procedure and sampling table (applicable to continuous batch inspection)
GB/T 37499 Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Automatic and semi-automatic valves
GB/T 38595 Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Mechanical thermostats
GB/T 38603 Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Electronic controller
GB/T 38693 Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Thermoelectric flame supervision controls
GB/T 38756 Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Ignition unit
GB/T 39485 Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Manual gas valves
GB/T 39493 Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Pressure regulators
GB/T 4208 Degrees of protection provide by enclosure (IP code)