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Amtrol 140N43 THERM-X-TROL ST-5 Expansion Tank

Amtrol 140N43 THERM-X-TROL ST-5 Expansion Tank
Retail Price: $84.80
Our Price: $68.44
* Free shipping on orders over $199.

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UPC: 642031395665

140N43 Amtrol THERM-X-TROL ST-5 Expansion Tank
Amtrol ST-5 (Therm-X-Trol) is a water heater expansion tank, designed for use in domestic hot water heating systems to eliminate the potential hazards of water expansion. Water heater expansion tank is commonly installed in a domestic hot water system that contains a backflow preventer, a check valve or a pressure reducing valve.
  • Eliminates the waste of energy and water, thus saving money
  • Protects the water heater and plumbing fixtures from premauture failure
  • Reduces potential safety hazards associated with thermal expansion
  • Prevents a dangerous pressure build-up in the system
  • Prevents the relief valve from going off
  • Therm-X-Trol brand is the #1 choice of Professional Installers

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