C7232 mountable carbon dioxide (CO2) sensors are standalone and used with HVAC controllers to determine if there is a need for ventilation.

C7632 sensor and controllers are standalone carbon dioxide (CO2) sensors for use in determining ventilation necessity with heating ventilation and air conditioning (HVAC) controllers.

CO1224 carbon monoxide (CO) detectors with RealTest® use a highly accurate and reliable electrochemical sensing cell to provide an early warning of dangerous CO levels.

The Honeywell CO2 and Temperature Sensor with Display, 32 to 122F Operating/50 to 100F Sensor, +/-30ppm +3% of Reading Accuracy, 20kOhm NTC, 0 to 95% Humidity, 24V AC /DC +/-20%, 50/60Hz, Wall Mount, 4-9/16in H x 3in W x 7/8in D, Import

Gas cartridge assemblies intended for use in E3Point gas sensors.