Check the listing for details. Siemens QAA2230.EWSC Room Temp Sensor NIB. Color: White, Condition: New – Open box. Listed at 19.95 USD. This listing is for a Siemens QAA2230.EWSC Room Temp Sensor. Room Temp Sensor, 10K Ohm Type 2 NTC Thermistor, No HMI, Siemens Logo, Talon. Item is New Open Box. Box was opened for photos. Item is still in factory sealed packaging. Please see photos for details. We make no representation of any item(s)sold to be fit for a particular purpose and assumes no liability for its use or misuse. The purchaser agrees that the seller shall not be held responsible or liable for any injuries or damages, whether incidental or consequential, associated in any way with the item(s). It is assumed that the item(s) will be installed and operated by qualified personnel. The purchaser, by bidding on this item(s), indicates their acknowledgment of and agreement to the terms of this disclaimer. Check out my other items !! Add me to your list of favorites. Thank you for looking