A Better Way to Heat Water 

Product Details 

NAECAIII Compliant Water Heaters

Potable Water Expansion Tanks
Expansion Tanks
5-Year Tank
A properly sized American Expansion Tank eliminates thermal expansion by giving water a place to go when thermal expansion occurs.

  • For use with residential and commercial water heaters
  • In-line design,with 3/4" NPTM connection: installs in cold water line of water heater
  • Field-adjustable 40 PSI air charge
  • Drawn-steel tank with 2-coat bonded polymer inner lining
  • Butyl diaphragm, for permanent separation of air and water, with no waterlogging
  • 2-Gallon (AET-2),5-Gallon (AET-5) and 10-Gallon (AET-10)

Download Spec Sheet
Download Installation Instructions