Expansion Tank

Amtrol ST-5C-DD

Expansion Tank Therm-X-Trol Deep Drawn 2 Gallon 150 PSI 3/4" NPTM ST-5C-DD ASME for Closed Domestic Hot Water Systems to Control Pressure Build-up

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Product Overview

Therm-X-Trol expansion tanks are designed to control pressure in commercial closed, potable hot water systems. Available in diaphragm, partial acceptance bladder and full acceptance bladder designs, these tanks range in size from 2 gal (7.6 L) to 528 gal (2,000 L). Offered with maximum working pressure up to 300 psig (21 bars), Therm-X-Trol is effective at protecting the water heater and other plumbing fixtures while saving energy and money. Available in ASME and Non-ASME models.

  • Deep-drawn shell increases tank strength, reduces tank diameter by 20% and cuts tank weight by 50%
  • Antimicrobial liner neutralizes bacteria on contact
  • Patented Turbulator prevents sediment build-up

Product Details

Product TypeDeep Drawn
Tank Capacity2GAL
Inlet/Outlet Connection3/4IN NPTM
Part NumberST-5C-DD
Precharge Pressure55PSIG
Temperature200DEG F
Diaphragm MaterialHeavy Duty Butyl
ApplicationClosed, Domestic Hot Water Systems to Control Pressure Build-up

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