Tel-Tru 42100414 Model Aa575R Resettable Bi-Metal Process Grade Thermometer, Stainless Steel, 5″ Dial, 1/2″ Npt Adjustable Angle Back Connection, 0.250″ Diameter x 4″ Long 304Ss Stem, 0/250 Degree Fahrenheitahrenheit and -20/120 Deg Celsius, +/- 1% Full Span Acc Review

The Model AA575R is the best 5″ dial back connected & adjustable angle thermometer for heavy duty applications. The unique stem groove to identify the min. immersion for accurate reading. Glass window that is fully gasketed. 316SS housing available.