| Brand | Armstrong |
| Type | Boiler Expansion Tank |
| Capacity | 8 gal exp |
| Color | Red |
| Model | AST-20 |
| Material | Steel |
| Year Manufactured | 2022 |
| MPN | AST-20, 572006-302 |
| Maximum Pressure | 240°F at 150 PSI |
Armstrong AST-20 8 Gal Red Boiler Expansion Tank w/ Gauge Bladder Monitor