Bellow sealed valve and actuator assembly used in low level plumbing.
| Bill Of Materials | Qty | Unit | Total | Notes |
| 4BSV with vacuum stem tip | 1 | ea | 557.69 | |
| actuator bellows sealed valve | 1 | ea | 197.97 | |
| cable, actuator 4 wire | 1 | ea | 23.18 | |
| labor assembly/fabrication (min) | 5 | min | 4.60 | |
| 4BSV + actuator | 1 | ea | 783.44 |