#5 Thermal Expansion Tank (2.1 Gal Volume)


Brand: Calefactio

Mfr Part#: HGTE-5

Availability: In Stock
Usually ships: Today, if ordered by 3pm
Qty Price
$29.95 / each
x4 $111.80 & Free Shipping
(4 x $27.95 / each)
  • Description
  • Literature
  • Reviews
  • FAQs

Calefactio HGTE-5 is a #5 bladder-type expansion tank designed for use in residential hot water plumbing applications. It is a direct replacement for Amtrol Therm-X-Trol ST-5, B&G PT-5 and Watts PLT-5 models.


  • Lead-free, approved for potable water applications and is CSA certified to NSF/ANSI 61 & 372 (nsf-g);
  • Intended for use in domestic hot water plumbing applications;
  • Full acceptance bladder;
  • No contact with steel shell means no corrosion;
  • Stainless steel system connection.

Technical Specifications:

  • Factory pre-charge pressure: 50 psi;
  • System connection: 3/4" male threaded (corrosion-resistant stainless steel);
  • Max. operating temperature: 200°F;
  • Max. operating pressure: 150 psi;
  • Expansion tank volume: 2.1 gallons;
  • Height: 13.7";
  • Diameter: 7.9";
  • Weight: 5 lbs.


5-year manufacturer's warranty.
No reviews yet
Indicate an email address where you wish to receive the answer to your question.
Enter numbers shown above without spaces. This step helps us to prevent automatic submissions.
The following was added to your shopping cart: ×

Forgot Your Password?

Enter your e-mail address below.
You will receive an e-mail
with password reset instructions.


Estimate Delivery Date & Cost

Ship to Zip Code:
Qty (Optional):