Check the listing for details. New in Factory Box Honeywell HH57AC078A Solid State Enthalpy Sensor C7400A. Condition: New – Open box. Listed at 20.00 USD. New in Factory Box Honeywell HH57AC078A Solid State Enthalpy Sensor C7400A SEE PICTURES FOR MORE DETAILS. SHIPPING FROM PLAINVILLE CT 06062 or FREE SHIPPING WITH LOCAL PICK-UP. VISIT OUR STORE. WE HAVE OTHER TOOLS, PARTS AND MACHINES LISTED. TRIPS USED EQUIPMENT TOOLS makes no representation of any item(s) sold to be fit for a particular purpose and assumes no liability for its use or misuse. It is assumed that the unit(s) will be installed and operated by qualified personnel. 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). The Purchaser, by bidding on this item, indicates their acknowledgment of and agreement to the terms of this disclaimer. MJT