Dial Thermometers, 3" Face with 4" Stem
Manufacturer: Tel-Tru Manufacturing Company
Bi-metal, industrial type head and stem are 304 stainless steel. 3" face, 4" center back stem, 1/2" NPT connections. Easy to calibrate by inserting an allen wrench into the reset opening. Stem diameter is 1/4". Extra heavy glass crystal. Tel-Tru Manufacturing GT300R (Not recommended for continuous use above 800°F).