DWYER INSTRUMENTS STC451 Pipe-mount bimetal surface thermometer, range -50 to
$70.79
Clip Pipe Mount Dial Thermometer, -50 Degrees to 250 Degrees F, Clip, For Pipe Diameter 1 5/8 in to 2 3/8 in, Dial Diameter 2 in, Steel Housing with Glass Lens, Fahrenheit