| Integrated CO2 Sensor, For Models SP-AP0511W and SP-AP0511WL | $132.00 | | |
| Integrated Dehumidistat, For Models SP-AP0511W and SP-AP0511WL | $114.00 | | |
| Internal Actuator Kit, Multi Products, MP-100 Act, 115-230V, 50/60HZ, for WD-100 Series, Product # 826840 | $149.00 | | |
| Internal Actuator Kit, Multi Products, MP-100 Act, 24V, 60HZ, for WD-100 Series, Product # 826848 | $273.00 | | |
| Internal Actuator Kit, Multi Products, MP-100 Act, 460V, 60Hz, for WD-100 Series, Product # 826844 | $163.00 | | |
| Internal Actuator Kit, Multi Products, MP-200 Act, 460V 60HZ, for WD-200 Series, Product # 826847 | $392.00 | | |
| Internal Actuator Kit, Multi Products, MP-210 Act, 115-230V, 50/60HZ, for WD-200 Series, Product # 826842 | $295.00 | | |
| Internal Actuator Kit, Multi Products, MP-210 Act, 24V, 60HZ, for WD-200 Series, Product # 826851 | $360.00 | | |
| Internal Actuator Kit, Multi Products, MP-310 Act, 115-230V, 50/60HZ, for WD-300 Series, Product # 826841 | $285.00 | | |
| Internal Actuator Kit, Multi Products, MP-310 Act, 460V, 60HZ, for WD-300 Series, Product # 826846 | $381.00 | | |
| IRWIN RETRACTABLE UTILITY | $7.00 | | |
| Kit, Jumpover for 3V Blade Dampers | $56.00 | | |
