Description Reviews Description Flexible averaging duct sensor with a 100K ohm NTC sensing element. This unit has a 6-foot (182 cm) probe. View AllClose
Add to Cart Siemens 540-680CA Siemens MSRP: Now: $517.64 Was: TEC Rm Snsr-w/Stpt,Ind,Ovrd Bg 540-680CA
Add to Cart Siemens 540-995 Siemens MSRP: Now: $37.98 Was: Flush-mount room sensor for Terminal Equipment Controllers (TECs). 540-995