This document stipulates the terms and definitions, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of intelligent double-gallon instant electric water heaters (referred to as "water heaters") for household and similar purposes. This document is applicable to intelligent double-gallon instant electric water heaters for household and similar purposes.
T/DZJN 122-2022 history
2022T/DZJN 122-2022 Intelligent double galley speed thermoelectric water heater