Stack of four heater controller cards with 24 total channels.
| Bill Of Materials | Qty | Unit | Total | Notes |
| heater controller stack +6ch | 3 | ea | 561.21 | |
| heater controller stack base | 1 | ea | 272.93 | |
| labor assembly/fabrication (min) | 4 | min | 3.68 | |
| screw 4-40 x 1-1/4 PH SS | 4 | ea | 0.48 | |
| heater controller stack 24 channel | 1 | ea | 838.30 |
| Used on | Qty |
| Control Section 6X | 1 |