Image Model 30 Bi-Metal Back Connected 3" Face Thermometer Jump to Section Product Options Related Products Product Options Part Number Length Male Thread Male Thread Size 30025064 2-1/2" stem NPT 1/2" 30025104 2-1/2" stem NPT 1/2" 30040064 4" stem NPT 1/2" 30040104 4" stem NPT 1/2" 30060064 6" stem NPT 1/2" 30060104 6" stem NPT 1/2" 30090064 9" stem NPT 1/2" 30090104 9" stem NPT 1/2" Related Products Image Model 52 Bi-Metal Adjustable Angle 5" Face Thermometer Image Model 50 Bi-Metal Back Connected 5" Face Thermometer Image Model 31 Bi-Metal Bottom Connected 90° Angle 3" Face Thermometer Image Bi-Metal Pocket Thermometer Image Threaded Thermowell