“”””As is , these units came from well maintained system and or testing. opened in 2026 and calibrated with original system it was working with. Sensor is in good condition not in original packaging. “””””””””

The Honeywell E3SCO Carbon Monoxide CO Sensor Cartridge E³Point is a high-quality part designed for use in HVAC systems. Made by the trusted brand Honeywell in the United States, this CO sensor cartridge is reliable and efficient in detecting carbon monoxide levels.

“”””As is , these units came from well maintained system and or testing. opened in 2026 and calibrated with original system it was working with. Sensor is in good condition not in original packaging. “””””””””