Sylk Bus Enthalpy Sensor, Outside, Supply or Return Air, use with 50053060-001 Duct Mounting Kit

20k NTC Temperature Sensor for Discharge or Mixed Air, use with W7220 Economizer Module, use with 50053060-001 Duct Mounting Kit

CO2 Sensor, Wall Mount, with Display, 0/2-10 VDC Or 4-20 mA Selectable, 0-2,000 PPM, Includes One Relay Output, with Honeywell Logo, 24 Vac/Dc Supply Voltage

CO2 Sensor, Wall Mount, 0/2-10 VDC Or 4-20 mA Selectable, 0-2,000 PPM, Includes One Relay Output, with Honeywell Logo, 24 Vac/Dc Supply Voltage