| Roof Curb (8”) | 547830A |
| Roof Curb (14”) | 547831A |
| Roof Curb (18”) | 547850A |
| Roof Curb (24”) | 547851A |
| Supply/return transition, 16” | 547834 |
| Supply/return transition, 18” | 547835 |
| Concentric diffuser, flush, 18” | 547837 |
| Concentric diffuser, step down 16” | 547838 |
| Concentric diffuser, step down 18” | 547839 |
| Manual Fresh Air Damper | 547832 |
| Motorized Fresh Air Damper | 547840 |
| Economizer, downflow, modulating w/filter (does not require filter kit), CA title 24 | 563209 |
| Economizer, horizontal, modulating, CA title 24 | 562534 |
| Hood Type Hail Guard 34” X 76” Q6SE-X24, Q6SE-X30, Q6SE-X36 | 547846 |
| Hood Type Hail Guard 38” X 76” Q6SE-X42, Q6SE-X48, Q6SE-X60 | 547847 |
| Filter Rack, All Downflow Applications (not required with downflow economizer) | 547885 |
| Filter Kit (not required with downflow economizer) Q6SE-X24, Q6SE-X30, Q6SE-X36 | 547888 |
| Filter Kit (not required with downflow economizer) Q6SE-X42, Q6SE-X48, Q6SE-X60 | 547889 |
| Universal Hard Start Kit | 912933 |
| Low Ambient Kit | 918837 |
| Outdoor Thermostat Kit | 913852 |
| Skirt Trim Kit | 919729 |
| KIT, SINGLE CIRCUIT ADAPTER | 1039295 |
| Heater Kit – Circuit Breaker Single Phase (2-Pole) | 913554 |
| Control, CO2 Sensor, Duct Mount | 920318 |
