Have added them to my business contacts.
3" Diameter Dial - Stainless Steel Case
Shatter-Resistant Polycarbonate Lens
Stainless Steel Stem (2.5")
1/2" MPT Connector
Max temperature: 500°F
Accuracy to within 3% of Dial Range (50-500=+ 6.8°F)
"Thermwell" to be used with dial thermometers in systems over 300 PSI. For best results, fill Thermwell with liquid silicon or glycol to increase sensitivity and accuracy of readings.
This part is listed as fitting the following models: