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Product Overview

  • Prevents pressure build-up, saves energy, and reduces system maintenance
  • Works with closed, non-potable, hydronic heating and chilled water systems
  • Durable steel shell with a urethane topcoat for additional strength
  • Operates at temperatures up to 240 degrees Fahrenheit
  • Vertical, floor-standing design with a sturdy base
UPC Code:642031118714

Amtrol 390297 Specs

Quantity
1/Each
Shipping Weight
63 lb.
Height
36 Inches
Diameter
22 Inches
Capacity
44 Gallons
Features
Made in America
Material
Steel
Maximum Pressure
100 PSIG
Maximum Temperature
240 Degrees F
Type
Hydronic Expansion Tanks
Water Inlet Size
1 1/4 Inches

Amtrol 390297 Details

Prevent dangerous thermal expansion with this Amtrol Extrol SX-90V 44 gallon vertical hydronic expansion tank. This tank is designed for use in closed, non-potable, hydronic heating and chilled water systems. It accepts expanded water as the system temperature increases, which activates the diaphragm to keep pressure below the valve setting. This diaphragm is made of heavy-duty butyl/EPDM, and it also helps separate the system water from the tank's air charge. This handy tank saves energy, eliminates potential safety hazards, and reduces system maintenance. It can be used for propylene glycol applications with mixtures up to 50%.

This tank has an outer shell made of durable steel with a urethane topcoat for additional strength. It has a maximum operating temperature of 240 degrees Fahrenheit and a maximum working pressure of 100 PSIG. Plus, it has an ample 44 gallon capacity that can handle larger boiler systems. It has a floor-standing, vertical design with a sturdy base. It comes pre-charged with a 12 PSIG air charge, and it has a 1 1/4" NPTF water connection.

Overall Dimensions:
Diameter: 22"
Height: 36"
Capacity: 44 gallons

Attention CA Residents:
  • 1 1/4" Water Connection

    1 1/4" Water Connection

    This unit comes with a 1 1/4" water connection for water supply.

  • Made in America

    Made in America

    This item was made in the United States of America.

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Amtrol 390297

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