T/FSS 20-2021
Foshan Standard Domestic gas instantaneous water heater with circulating preheating function (English Version)
- Standard No.
- T/FSS 20-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/FSS 20-2021
- Scope
- This document establishes the terms and definitions, classification and models, material and structural requirements, test methods, inspection rules, signs, instructions for use, packaging, transportation and storage of circulating preheated domestic gas instant water heaters (hereinafter referred to as "water heaters"). quality promise. This document applies to household hot water gas instantaneous water heaters with a heat load not exceeding 70kW and using preheating circulating water pumps. This document does not apply to gas volumetric water heaters.
T/FSS 20-2021 history
- 2021 T/FSS 20-2021 Foshan Standard Domestic gas instantaneous water heater with circulating preheating function
