#12 Thermal Expansion Tank (4.7 Gal Volume)

#12 Thermal Expansion Tank (4.7 Gal Volume)

#12 Thermal Expansion Tank (4.7 Gal Volume) QR Code
Product Code: HGTE-12

Availability: In Stock

Weight:0.10 lb

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Calefactio HGTE-12 is a #12 bladder-type expansion tank designed for use in residential hot water plumbing applications. It is a direct replacement for Amtrol Therm-X-Trol ST-12, B&G PT-12 and Watts PLT-12 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: 4.7 gallons;
  • Height: 16.7";
  • Diameter: 10.6";
  • Weight: 11 lbs.



5-year manufacturer's warranty.


Product Specs
Expansion tank volume:4.7 gallons
Factory pre-charge pressure:50 psi
Max. Operating Pressure:150 psi
Max. operating temperature:200°F
Weight:11 lbs.
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