1. Technology of temperature control is more accurate 2. Light weight 3. With ... -3/4-02,PT-1/2-02.4)operating temperature:60°C,65°C,70°C,75°C,80° ... 90°C,95°C,99°C.Can change the operating temperature as the customers' requirements range from 60°C to ... ( { 'aImgSrc': aBigImageSrc } ); } )(); Solar water heater system T/P safety valve sensitive to temperature and pressure China national standard GB/T 20910 ...