| No. | Picture | Model | Description | Brand | Action |
|---|
| 1. |  | MT4003C1005 | Servo motor, left rotation, timing over 90° stroke:6sec, 220-240Vac/50/60Hz, low fire adj switch & fail safe pre-purge timer | Honeywell |  |
| 2. |  | MT4003C2003 | Servo motor, right rotation, timing over 90° stroke:6sec, 220-240Vac/50/60Hz, low fire adj switch & fail safe pre-purge timer | Honeywell | |
