| Diameter | : | 11" |
| Finish | : | Steel |
| Height | : | 15.5" |
| Material | : | Steel |
| Port Size | : | 3/4" |
| Pressure Rating | : | 150 PSI |
| Series | : | Therm-X-Trol |
| Tank Capacity | : | 4.4 Gallons |
| Tank Size | : | 4.4 Gallons |
| Type | : | Expansion Tank |
| Warranty | : | 5-Year Limited Warranty |
Amtrol ST-12 Therm-X-Trol Expansion Tank - Tank Vol. 4.4 Gal
- Eliminates the waste of energy and water, thus saving money
- Protects the water heater and plumbing fixtures from premature failure
- Prevents a dangerous pressure build up in the system
- Prevents the relief valve from going off
- Therm-X-Trol brand is the #1 choice for professional installers
- A professional plumber should check the complete system, including the Therm-X-Trol, yearly and more frequently as the system ages