| No. | Picture | Model | Description | Brand | Action |
|---|
| 1. |  | 113228 | UV sensing tube, -20°F to 175°F for C7012, C7024 | Honeywell |  |
| 2. |  | 120320 | Replacement cadmium cell for C554, 7.5 mA minimum sensitivity | Honeywell |  |
| 3. |  | 129464M | UV sensing tube, 0 to 250°F | Honeywell |  |
| 4. |  | 129464N | UV sensing tube, -40 to 250°F | Honeywell |  |
| 5. |  | 191286 | UV sensing tube, -40°F to 175°F for C7012, C7024 | Honeywell |  |