#15 Expansion Tank (2.1 Gal Volume)

#15 Expansion Tank (2.1 Gal Volume)
#15 Expansion Tank (2.1 Gal Volume) QR Code
Views: 2093 Product Code: HGT-15



Weight:5.00 lb

Dimensions (L x W x H ): 14.00 x 8.00 x 8.00

Usually ships: 1 business days
4 or more $19.95
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The HGT-15 from Calefactio is an Expansion Tank (2.1 gal). It's a #15 bladder-type expansion tank designed for use in closed-loop hydronic and radiant heating systems. Direct replacement for Amtrol Extrol #15, B&G HFT-15 and Watts ETX-15 models.


  • Full acceptance bladder;
  • Compatible with conventional heating & radiant systems, glycol containing systems (up to 50/50 mix) and select solar applications;
  • No contact with steel shell means no corrosion;
  • Bladder design prevents waterlogging;
  • Direct replacement for #15 models from other manufacturers;
  • For non-potable water applications only.

Technical Specifications: 

  • Factory pre-charge pressure: 12 psi;
  • System connection: 1/2" male threaded;
  • Max. operating temperature: 240°F;
  • Max. operating pressure: 115 psi;
  • Expansion tank volume: 2.1 gallons;
  • Height: 13.7";
  • Diameter: 7.9";
  • Weight: 5 lbs.


  • 5-year manufacturer's warranty.
Product Specs
Expansion tank volume:2.1 gallons
Factory pre-charge pressure:12 psi
Max. Operating Pressure:115 psi
Max. operating temperature:240°F
System connection:1/2" male threaded
Weight:5 lbs.
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