Equus 8442 2-5/8" Mechanical Water Temperature Gauge, White with Aluminum Bezel Gauge diameter measures 2 5/8-in Red pointer and backlighting enhance reading ability Measures temperature ranging from130-280 degrees F or 60-140 degrees C Includes a 72-in capillary tube and 3/8-in national pipe taper fitting Easy-to-follow instructions to facilitate mounting