#90 Expansion Tank (13.0 Gal Volume)
Brand: Calefactio
Part#: HGT-90
Temporary Out of Stock
Usually ships: Upon availability
Calefactio HGT-90 is a #90 bladder-type expansion tank designed for use in closed-loop hydronic and radiant heating systems.

Cross-References:
  • Amtrol Extrol #90
  • B&G HFT-90
  • Watts ETX-90

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 #90 in-line models from other manufacturers
  • For non-potable water applications only.
 
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Technical Specifications:
  • Factory pre-charge pressure: 12 psi
  • System connection: 1" male threaded
  • Max. operating temperature: 240°F
  • Max. operating pressure: 115 psi
  • Expansion tank volume: 13.0 gallons
  • Height: 23"
  • Diameter: 14.9"
  • Weight: 23 lbs.
 
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Warranty:
5-year manufacturer's warranty.
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