Products > Expansion Tanks > Therm-O-Flex™

Therm-O-Flex Space Heating

Eliminates the risk of damage to the boiler and piping in the system. In-line tanks from 2 through 14.6-gallons free-standing models from 14.6 gallons through 96 gallons, plus special Combination Units. Not for use with potable water heating systems.

• Shipped with an air vent and separator
• Models up to 14.6 gallons feature in-line design for installation directly into system piping
• Models from 14.6 gallons and up feature free-standing design
• Field-adjustable 12 PSI Air charge
• Drawn-steel tank
• Butyl diaphragm, for permanent separation of air and water, with no waterlogging
• Maximum Working Pressure 100 PSI
• Maximum Temperature: 240°F
• 1-year Limited Warranty

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