Description
Amtrol ST-8 (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.

Amtrol ST-8 Advantages:
  • 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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Specs
Tank Volume:
3.2 Gallons
Max Accept. Factor:
0.59
Diameter (Inches):
9"
Height:
15"
Weight (lbs):
7 lbs
Warranty:
5-Year Limited Warranty
Connection Size:
3/4"
Material:
Steel
Application:
Plumbing
Max Pressure (PSI):
150
Temperature Range (F):
200°F MAX
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