V-Line Thermometer For heating, plumbing,air conditioning and ventilation applications V-Line Thermometer Specifications Dial4.5"(110mm),6"(150mm),8"(200mm) CaseAluminum,anodized ... , 30-300F/C,50-400F/C Accuracy±2%V-Line Thermometer For heating, plumbing,air conditioning and ventilation applications HVAC Glass ...