WIKA 68182651 TG53 Bimetal Thermometer: 3" Dial, Back Mount, 0° to 250° F
Process Grade Bimetallic Industrial Thermometer: 304 Stainless Steel Body, Aluminum Dial, Instrument Glass Window. 3" Dial, 1/2" NPT Process Connection, 4" Stem, Back Mount, 0° to 250° F