6142-20-3 Cooper Panel Thermometer 2" Dial Front Flange 48" Cap Back Connection NSF -40/60°F/°C: The 6142-20 features a front flange, back connect, flush mount. It has a 2" dial diameter and 48" capillary. It features three (3) .156" diameter mounting holes equally spaced on 2.625" diameter bolt circle. It is NSF certified.
6812-01-3 Cooper Panel Thermometer 2" Dial Back Flange 48" Cap Back Connection NSF -40/60°F/°C: The 6812-01 features a back flange, back connect, surface mount. The back flange has 3.160" diameter bolt circle and projects 1.2" from panel. It has a 2" dial diameter and 48" capillary length.
6812-02-3 Cooper Panel Thermometer 2" Dial Back Flange 48" Cap Back Connection -40/120°F/°C: The 6812-02 features a back flange, back connect, surface mount. The reverse flange has 3.160" diameter bolt circle and projects 1.2" from panel. It has a 2" dial diameter and 48" capillary length.