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Amtrol St-5 Therm-X-Trol 140N43 Expansion Tank (2 Gallon)

SKU: 38864
Save 22% · Retail: $67.00

   Available to Ship in 2-3 weeks

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About the Amtrol St-5 Therm-X-Trol 140N43 Expansion Tank (2 Gallon)

Amtrol ST-5 THERM-X-TROL 140N43 Expansion Tank for Potable Hot Water Systems, The Expansion 2 gallon tank helps in controlling system pressures and helps to reduce energy consumption of heating and circulating operations. The Expansion tank features: Factory pre- charged 40 psig, a 3/4" stainless steel male threaded connection, max temperature rating of 200 F with a max of 150 PSI, this 2 gallon expansion tank has a height of 12 5/8" and a diameter of 8" weighing at 5 pounds, this expansion tank is designed for domestic hot water heating systems that generally contains the following a backflow preventer or a check valve or a pressure reducing valve.

Product Features

  • Amtrol ST-5
  • 2 gallon expansion tank
  • Eliminates the waste of energy and water, thus saving money
  • 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
  • Weight: 4.6 lbs
  • 5 year warranty


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