CO2 Sensor Field Conversion Kit for Use With SCA/SGA036/060/120/240 Units, Kit Includes:(1)Wiring Harness,(2)8-32 X 1/2"Screws,(5)Wire Nuts,(2)6-32 X 1/2"Screws,(1)Wiring Diagram-VFD Control Staged Air MSAV,(1)Wiring Diagram-CPC Control,(1)Wiring Diagram-Novar ETM-2024,(1)Installation Instructions,(1)GP1 General Purpose Board,(1)K92 Relay,Weight:1.45 Pounds