What is a thermal expansion tank for water heater?

What is an expand tank used for in HVAC?
- Expansion tanks are required in a closed loop heating or chilled water HVAC system to absorb the expanding fluid and limit the pressure within a heating or cooling system.
What is an expexpansion tank?
- Expansion tanks are designed to safely absorb the excess water created and prevent relief valves from triggering. We offer a range of expansion tanks for potable and non-potable applications.
What are the different types of expansion tanks?
- W essels manufactures three expansion tank designs: Compression, Bladder and Diaphragm. Each tank style has models that are either ASME or Non-ASME coded. Tanks range in size from 2 to 10,000 gallons. Most of Wessels pressure vessels are designed using a pre-pressurized vessel with an internal bladder or diaphragm to manage fluids under pressure.


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