Add to Cart Siemens 544-343-18 Siemens MSRP: Now: $87.70 Was: Rigid averaging duct sensor with a 1000 ohm platinum (375 alpha) RTD sensing element. This unit has an 18-inch (45 cm) probe. 544-343-18
Add to Cart Siemens 544-342-24 Siemens MSRP: Now: $117.83 Was: Flexible averaging duct sensor with a 1000 ohm platinum (375 alpha) RTD sensing element. This unit has a 25-foot (7.6 m) probe. 544-342-24
Add to Cart Siemens 544-562-RK Siemens MSRP: Now: $92.04 Was: Immersion Well Repair Kit; 32 to 212 degrees Fahrenheit, 4 to 20 mA. 544-562-RK
Add to Cart Siemens 544-480B Siemens MSRP: Now: $88.12 Was: OCCUPANCY OVERRIDE BUTTON, WHITE - 25-PA 544-480B