Amtrol THERM-X-TROL® ASME Thermal Expansion Tank, 3/4" MPT, 6.4 Gallon, In-Line

  • Brand: Amtrol®
  • Temperature Rating: 200 deg F
  • Applicable Standard: IAPMO, ISO 9001
  • Application: Potable Water System
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 and More


  • Increased Strength
  • Reduced Diameter and Reduced Weight
  • Antimicrobial Liner Neutralizes Bacteria on Contact
  • Patented Turbulator Prevents Sediment Buildup
  • Lead-Free
  • Made in USA


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