SCH-13Q906A/16Q906A燃气热水器产品特点1.微火苗燃烧技术，夏天水不烫;2.停水温升≤4K；3.30-70°C宽幅恒温范围;4.DC直流变频风机，抗强风；5.0.01MPa超低水压启动...