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Therm-X-Span®

Reliable Performance at an Affordable Price

Designed for use in closed, potable hot water systems, Therm-X-Span accepts expanded water as system temperature rises. This hot water is returned to the system when demand occurs. A thermal expansion tank, like Therm-X-Span, is essential in a closed system to protect your water heater.

  • FEATURES
  • SPECIFICATIONS
  • MANUAL & SUBMITTALS

FEATURES

  • Stainless Steel Connection.
  • Deep Drawn Steel Design.
  • Heavy Duty Diaphragm.
  • Polypropylene Liner.
  • Welded Air Stem to Help Eliminate Leaks.
  • In-Line Models Available in 2.0 and 4.4 Gallon Sizes.

SPECIFICATIONS

Construction

  • Shell: Steel
  • Diaphragm: Heavy Duty NSF/ANSI 61
  • Liner: Polypropylene
  • System Connection: Stainless Steel
  • Air Valve: Projection Welded
  • Factory Precharge: 40 PSIG (2.8 bar)

Performance

  • Max. Operating Temperature: 200º F (93º C)
  • Max. Working Pressure: 150 PSIG (10.3 bar)
  • Warranty: 1-Year Limited

Application

  • For use in closed, potable hot water systems to control pressure build-up and protect the water heater.
  • Accepts expanded water as system temperature rises and returns hot water to system when demand occurs.

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