T/CNHA 1017-2018 Home gas-fired quick water heater with special requirements for preheating function
T/CNHA 1017-2018 Home gas-fired quick water heater with special requirements for preheating function
Basic Information
Scope
Scope: This standard specifies the terms and definitions, requirements, test methods, and other performance and structural requirements for household gas instant water heaters with preheating functions that meet special requirements. This standard applies to household gas instant water heaters (hereinafter referred to as "water heaters") with a heat load of not more than 70 kW and special requirements for preheating functions. This standard does not apply to gas volume-type water heaters. Main technical content: This standard specifies the terms and definitions, requirements, test methods, and other performance and structural requirements for household gas instant water heaters with preheating functions that meet special requirements. This standard applies to household gas instant water heaters (hereinafter referred to as "water heaters") with a heat load of not more than 70 kW and special requirements for preheating functions. This standard does not apply to gas volume-type water heaters.