JJF 1261.9-2022
Rules of Metrology Testing for Energy Efficiency of Domestic Gas Instantaneous Water Heaters and Gas Fired Heating and Hot Water Combi-boilers (English Version)

Standard No.

JJF 1261.9-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

National Metrological Technical Specifications of the People's Republic of China

Latest

JJF 1261.9-2022

JJF 1261.9-2022 history

• 2022 JJF 1261.9-2022 Rules of Metrology Testing for Energy Efficiency of Domestic Gas Instantaneous Water Heaters and Gas Fired Heating and Hot Water Combi-boilers
• 2013 JJF 1261.9-2013 Rules of Metrology Testing for Energy Efficiency Label of Domestic Gas Instantaneous Water Heater and Gas Fired Heating and Hot Water Combi-boilers