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Therm-X-Trol Vertical Thermal Expansion Tank, 14 Gallon Volume


  • Locke Part #: E0303
  • Mfg. Part #: ST-30V 143N273
  • Manufacturer: Amtrol Inc

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  • Accepts expanded water caused by thermal expansion.
  • Returns water to the system when hot water is used.
  • Protects water heater, appliances and fixtures
  • Prevents dangerous pressure buildup
  • Designed for large residential and light commercial applications, Eliminates wasted energy and water
  • Ideal for apartment buildings, elderly housing, food service, hospitals, laundromats and dormitories.
  • Multiple units can be installed to accommodate larger systems, Prevents dripping faucets, intermittent toilet fill and pressure relief valve discharge