Stack of four heater controller cards with 24 total channels.
| Bill Of Materials | Qty | Unit | Notes |
| heater controller stack +6ch | 3 | ea | |
| heater controller stack base | 1 | ea | |
| labor assembly/fabrication (min) | 4 | min | |
| screw 4-40 x 1-1/4 PH SS | 4 | ea | |
| heater controller stack 24 channel | 1 | ea |
| Used on | Qty |
| Control Section 6X | 1 |