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THERM-X-TROL ST-12 Expansion Tank (4.4 Gallon Volume)
Amtrol ST-12 (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.    The HydroClaw Expansion Tank Support Bracket provides a safe and reliable option if you prefer to mount your expansion tank. This expansion tank bracket is easy to install and will hold any tank with a diameter of 11" nominal.    Amtrol ST-12 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.

THERM-X-TROL ST-12 Expansion Tank (4.4 Gallon Volume)

SKU: 039-ST-12
  • Style:

    In-Line Non-ASME
  • Max Working Pressure:

    150 psig
  • Max Operating Temp:

    200 F
  • Tank Diameter:

    11 inches
  • Tank Height:

    15 inches
  • Connection:

    3/4" NPTM
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