Boshart TW25-CB2-250-SS25 2 1/2" Bi-Metal Stainless Steel Thermometer
These are general purpose industrial thermometers. They use a coiled bi-metal element.
The highly efficient GWA-175-N-T-S2 pumps out 175,000 BTUs with an AFUE (annual fuel utilization efficiency) rating of 82.2 percent. The GWA is also equipped with flue baffles, stainless steel...