Direct gas - fired washing machines , of nominal heat input not exceeding 20 kw - rational use of energy 额定输入热不超过20kw的直接燃气洗衣机.能源的合理使用
Gas water heaters , volume i , storage water heaters with input ratings of 75 , 000 btu per hour or less same as csa 4 . 1 容量i额定输入每小时75 , 000btu或低于75 , 000btu的贮水式燃气热水器
Specification for installation of hot water supplies for domestic purposes , using gas - fired appliances of rated input not exceeding 70 kw 额定输入不超过70kw的家用燃气供热水装置规范
2 3 . installation and maintenance of gas - fired ducted air heaters of rated input not exceeding 70 kw net 2nd and 3rd family gases - specification 额定输入净值不超过70kw的燃气管道式空气加热器的安装和维修
Gas water heaters , volume iii , storage water heaters with input ratings above 75 , 000 btu per hour , circulating and instantaneous same as csa 4 . 3 容量每小时额定输入大于75000btu的循环式瞬时贮水式燃气热水器
The core adopts cr20ni80 which is covered by silicon rubber insulation material . there also is heat conducting media outside of heating line with life time of over 1200h according to qb t1296 - 91electric heater for fridge 5 . 12 . 3 , heating cable should bear 1 . 15 times of the input voltage and 50 day continue life test 使用寿命可连续达到1 200小时以上根据qbt 1 29691家用电冰箱用电热线5 ， 123 ，电热线应能承受额定输入电压的115倍，连续通电50天的寿命试验。
