THERM-X-TROL ST-12 Expansion Tank
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THERM-X-TROL ST-12 Expansion Tank

Brand:
Amtrol
SKU:
141N43
Rating:
(64)
Q&A:
(7)
THERM-X-TROL ST-12 Expansion Tank
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$84.87 each
In Stock
In Stock
Get 353 Wed, Mar 6
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Product Highlights

Tank Volume icon
4.4 Gallons
Connection Size icon
3/4" Connection
Warranty icon
7 Year Warranty
Max Pressure (PSI) icon
150 PSI
Diameter (Inches) icon
11" Diameter
Height (Inches) icon
15.5" Height

Description

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

Specs

Tank Volume:

4.4 Gallons

Connection Size:

3/4"

Max Accept. Factor:

0.73

Diameter (Inches):

11"

Height (Inches):

15.5"

Material:

Steel

Application:

Plumbing

Max Pressure (PSI):

150

Weight (lbs):

9 lbs

Warranty:

7 Year

Temperature Range (F):

200°F MAX

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Free Shipping
On orders over $99
We offer flexible shipping and scheduling options, up-to-date delivery estimates, and free ground shipping on any order over $99 to make sure your order gets to you on-time, for less.
Shipping Policy
Easy Returns
Returning items is as simple as 1-2-3
Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.
Return Policy