| Additional Information | : | Model ST-1 |
| Color | : | Matte Tan |
| Connection Size | : | 1/2 in |
| Connection Type | : | MNPT |
| Diaphragm Material | : | EPDM |
| Dimensions | : | 3.4 in Dia x 4 in H |
| Material | : | Steel |
| Pressure Rating | : | 150 psig |
| Series | : | ST Series |
| Temperature Rating | : | 200 deg F |
AMTROL® invented the thermal expansion tank to absorb expanded water in closed, hot water systems and protect the water heater. Since the beginning, we've kept the pressure on our competitors with features they just can't match like our patented Turbulator®, patent pending anti-microbial liner, patented InSight® service indicator cap and 50 psig pre-charge. When your water heater is on the line, we deliver.
AMTROL® Therm-X-Trol® Hydronic Expansion Tank, ST Series, 1/2 in Connection, MNPT Connection, EPDM Diaphragm, Steel, Matte Tan, 150 psig, 200 deg F, 3.4 in Dia x 4 in H, Additional Information: Model ST-1
- Strongest tank design featuring deep drawn steel and multi-dome construction
- Thickest diaphragm heavy-duty butyl or EPDM
- Projection welded air stem to help eliminate leaks
- High grade stainless steel connector
- Deep drawn steel dome
- Corrosion-proof liner with anti-microbial Protection™
- Grooved diaphragm hoop ring for a permanent seal
- Heavy-duty butyl blend diaphragm
- Accepts expanded water as system temperature rises and returns hot water to system when demand occurs
- Patented air cell eliminates pressure surge to protect heat exchanger