Phone: 217-607-5850

Free shipping on non-freight orders over $99 to the lower 48 states!

Therm-X-Span T12

Therm-X-Span T Series In-Line Expansion Tank, 4.4 gal, 150 psi, 3/4 Inch Male NPT, 40 psi Precharge, 200 deg F


Manufacturer part number:




Therm-X-Span T-Series Expansion Tank, In-Line, 4.4 gal, 3/4 Inch Male NPT, 40 psi Precharge, 150 psi Working, 200 deg F, Butyl/EPDM Diaphragm, Stainless Steel, 11 Inch Dia x 15 Inch H

  • The Amtrol T-12 thermal expansion tank accepts expanded water caused by thermal expansion
  • When hot water is used, the Therm-X-Span thermal expansion tank returns water to the system
  • Prevents dripping faucets, intermittent toilet fill and pressure relief valve discharge
  • For use with water heaters up to 100 gal in size
  • Prevents dangerous pressure buildup
  • Required by most building codes where backflow preventers are specified
Products specifications
Attribute name Attribute value
Connection Type 3/4 Inch Male NPT
Diaphragm Type Butyl/EPDM
Dimensions 11 Inch Dia x 15 Inch H
Manufacturer Amtrol
Material Stainless Steel
Nominal Capacity 4.4 gal
Precharge Pressure 40 psi
Series T-Series
Temperature Rating 200 deg F
Type In-Line