إجراء مقترح من الصين: مفاعلات نووية ومراجل وآلات وأجهزة وأدوات آلية؛ أجزاؤها

This document specifies the energy efficiency technical requirements and test methods for domestic gas instantaneous water heaters (including condensing domestic gas instantaneous water heaters) and gas-fired heating and hot water combi-boilers (including condensing gas-fired heating and bathing dual-purpose boilers), as well as the calculation methods for annual energy consumption and annual CO₂emission. This document applies to products primarily using gas as the main energy source: a) water heaters with a rated thermal load not exceeding 70 kW, using atmospheric or fully premixed combustion; b) boilers with a rated thermal load of less than 100 kW, a maximum working water pressure not exceeding 0.6 MPa, a working water temperature not exceeding 95℃, and using atmospheric or fully premixed combustion. This document does not apply to gas storage water heaters.