Calefactio HGT-30 Expansion Tank (4.8 Gal Volume)

The HGT-30 from Calefactio is an Expansion Tank (4.8 gal). It's a #30 bladder-type expansion tank designed for use in closed-loop hydronic and radiant heating systems. It is a direct replacement for Amtrol Extrol #30, B&G HFT-30 and Watts ETX-30 models.

Features:

• 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 #30 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: 4.0 gallons;
• Height: 16.3";
• Diameter: 10.6";
• Weight: 9 lbs.
   

Warranty:

• 5-year manufacturer's warranty.