Skip to main content
Therm-X-Trol St-12 Expansion Tank

Roll over image to zoom in

  • Product Features

  • Related Videos

  • Reviews

  • Questions & Answers

AMTROL INC ST-12 Therm-X-Trol St-12 Expansion Tank

Item #: ST-12 by AMTROL INC

UPC #: 642031395672

See reviewsSee reviews
See reviews summary
Use Code: SAVEBIG2025 for Extra 10% Off
In Stock

$168.94

/each
SAVE UP TO 16.89
Buying in bulk
QUICK SHIPPING*Usually ships in 1 business dayIn stock: 86 units available
QTY
–
+
+ Add to Wishlist
Buy in Bulk & Save - See HowWatch Now
Get Volume Pricing

Shop with Confidence

30 Days Easy Return. We are the largest supplier of the most adaptable, personalized hardware in the industry. We work hard to ensure you're satisfied with our products.

Safe Payment
Features
  • Amtrol Therm-X-Trol ST-12 Expansion Tank
  • Eliminates The Waste Of Energy And Water, Thus Saving Money
  • Protects The Water Heater And Plumbing Fixtures From Premature Failure
  • 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
  • ST-12

MADE IN THE USA

Yes

Package Quantity

1

UL Listed

No

For Use With

Water Heaters

Assembled Product Depth

11 in

AbilityOne

No

ADA Compliant

No

UNSPSC

40102000

Assembled Product Height

15 in.

Assembled Product Width

11 in.

GSA Approved

No

TAA/BAA Compliant

Yes