Pros, Join Our TradeMaster Program!
Description
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.

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 8" nominal.

Amtrol ST-5 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
Hide Description
Specs
Tank Volume:

2 Gallons

Max Accept. Factor:

0.45

Diameter (Inches):

8"

Height:

12-5/6"

Warranty:

5 Years

Weight (lbs):

5 lbs

Connection Size:

3/4"

Material:

Steel

Application:

Plumbing

Max Pressure (PSI):

150

Temperature Range (F):

200°F MAX

×
2 Videos

    67 Product Reviews

    Product Q&A

    Add-on Item

    This item is cost-prohibitive to ship on its own but is available to ship with orders over $200.

    Why don't we show the price of this item?

    We try to always offer you the lowest prices possible, but some manufacturers require that we only show these low prices once you take further action.

    To see the price, simply add the item to your cart or sign in.