The Eastman 60022 2-Gallon Thermal Expansion Tank provides a secure connection to water heaters that prevents dangerous build-ups of pressure. This water heater expansion tank stops hot water from backflo...

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The Eastman 60022 2-Gallon Thermal Expansion Tank provides a secure connection to water heaters that prevents dangerous build-ups of pressure. This water heater expansion tank stops hot water from backflowing into the cold water line and it also prevents hot water from escaping through the pressure relief valve and onto the floor. Constant fluctuations in water pressure can be dangerous and they can damage the water heater, properly installing a thermal expansion tank can solve all these issues.

The thermal expansion tank has a high-quality butyl rubber diaphragm and 304 stainless steel fittings for long-lasting performance. This product comes factory pre-charged at 40 psi. It complies with Lead-Free Law.



  • WATER HEATER PROTECTION: Prevents excess pressure caused by thermal expansion in water heater systems
  • DURABLE CONSTRUCTION: Built with a butyl rubber diaphragm and 304 stainless steel system connection
  • PRE-CHARGED: Factory pre-charged at 40 PSI for reliable performance and ease of installation
  • SPECS: 2 gallon capacity; rated up to 150 PSI and 210 degrees F; 3/4 in MIP connection
  • WARRANTY: Backed by a 6-year limited warranty for added reliability
  • WATER HEATER PROTECTION: Prevents excess pressure caused by thermal expansion in water heater systems
  • DURABLE CONSTRUCTION: Built with a butyl rubber diaphragm and 304 stainless steel system connection
  • PRE-CHARGED: Factory pre-charged at 40 PSI for reliable performance and ease of installation
  • SPECS: 2 gallon capacity; rated up to 150 PSI and 210 degrees F; 3/4 in MIP connection
  • WARRANTY: Backed by a 6-year limited warranty for added reliability

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