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Therm-X-Trol Tank, 1/2 in, for Tankless Units
AMTROL 398917 140P01 MODEL ST-1 THERM-X-TROL TANK WITH 1/2" NPT CONNECTION FOR TANKLESS UNITS
Hydronic Expansion Tanks
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Brand: 
Therm-X-Trol Tank, 1/2 in, for Tankless Units
3442562
MFG #: ST-1
Product ID:3442562
Famous Supply
- Material: Glass-Filled Composite
- Series: ST
- Capacity: 2 gal
- Pressure Rating: 150 psi
- Diameter: 3-1/2 in
- Height: 4 in
Therm-X-Trol expansion tanks are designed to control pressure in commercial closed, potable hot water systems. Available in diaphragm, partial acceptance bladder and full acceptance bladder designs, these tanks range in size from 2 gallons (7.6 liters) to 528 gallons (2,000 liters). Offered with maximum working pressure up to 300 PSIG (21 bar), Therm-X-Trol is effective at protecting the water heater and other plumbing fixtures while saving energy and money. Available in ASME and Non-ASME models.
- Features
| Protects Tankless and Point Of Use (P.O.U.) water heaters against thermal expansion and water hammer. |
| For use in closed, potable water systems to control pressure build-up |
| Meets Manufacturer and Plumbing Code requirements. Prevents relief valve spillage and protects sensitive heat exchangers. |