| Suitable For Use With | 700 Series Automatic Air Vents and Extrol Expansion Tank |
| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Approved Supplier | AMT 445-1 | PURGER 445 1-1/2" (393993) 4451 |
| | Approved Supplier | AMT 443-1 | PURGER 443 1" (393989) 4431 |
| | Approved Supplier | AMT 448-1 | PURGER 448 3" (393996) 4481 |
| | Approved Supplier | AMT 444-1 | PURGER 444 1-1/4" (399678) 4441 |
| | Approved Supplier | AMT 446-1 | PURGER 446 2" (393994) 4461 |
| | Approved Supplier | AMT 447-1 | PURGER 447 2-1/2" (393995) 4471 |
