Expansion Tanks

Expansion Tanks

We are proud to stock all the expansion tanks from Bell & Gossett, Armstrong and Taco HVAC. Expansion Tanks are available with either bladders or diaphragms so that water and air are permanently separated. No absorption can take place at any point during the system cycle, and you avoid the problems of waterlogged tanks, air-bound terminal units, excessive corrosion, inefficient balancing and pump cavitations. Plain steel tanks are also available. Please give us a call and we can help you find the right expansion tank for your needs.

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  • On Sale
    1BN326 Bell & Gossett Expansion Tank HFT-15

    1BN326 Bell & Gossett Expansion Tank HFT-15

    Bell & Gossett

    MSRP: $57.00
    Now: $48.95
    Was: $54.95
    1BN326 Bell & Gossett Expansion Tank HFT-15. The Series HFT tank is designed to absorb the force of thermal expansion of heating water and to maintain proper pressurization in a closed hydronic system. The heavy duty butyl diaphragm separates...
    MSRP: $57.00
    Now: $48.95
    Was: $54.95
    Qty in Cart: 0
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    MSRP: $57.00
    Now: $48.95
    Was: $54.95
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  • 1BN319LF Bell & Gossett PT-25V Expansion Tank 1BN319LF Bell & Gossett PT-25V Expansion Tank

    1BN319LF Bell & Gossett PT-25V Expansion Tank

    Bell & Gossett

    $174.70
    1BN319LF Bell & Gossett PT-25V Expansion Tank. The Series PT expansion tank is designed to absorb the forces of expanding water and protect a potable water system from pressure build up. The FDA approved heavy duty butyl diaphragm with...
    $174.70
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    $174.70
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  • 112010 Bell & Gossett ATF-12 Airtrol Tank Fittings

    112010 Bell & Gossett ATF-12 Airtrol Tank Fittings

    Bell & Gossett

    $114.95
    112010 Bell & Gossett ATF-12 Airtrol Tank Fittings. Connection Size: Tank - 1/2"M, Boiler - 3/4"F. Bell & Gossett Airtrol Tank Fittings help to establish proper initial liquid level in the compression tank when filling the hydronic system. They...
    $114.95
    Qty in Cart: 0
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    $114.95
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  • 1BN329 Bell & Gossett HFT-90 Expansion Tank

    1BN329 Bell & Gossett HFT-90 Expansion Tank

    Bell & Gossett

    $198.95
    1BN329 Bell & Gossett HFT-90 Expansion Tank. Bell & Gossett Non-ASME Expansion Tanks Series HFT Pre-Charged Diaphragm Technical Brochure Bell & Gossett Diaphragm Expansion Tanks ASME And Non-Code Instruction Manual Bell & Gossett...
    $198.95
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    $198.95
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  • 1BN055LF Bell & Gossett PTA-42V Expansion Tank 1BN055LF Bell & Gossett PTA-42V Expansion Tank

    1BN055LF Bell & Gossett PTA-42V Expansion Tank

    Bell & Gossett

    $2,143.95
    1BN055LF Bell & Gossett PTA-42V Expansion Tank.  Bell & Gossett Potable Water Diaphragm Expansion Tanks ASME (PTA) Information. Tank Volume: 17.5 Gallons (66L). Bell & Gossett ASME Expansion Tanks Series PTA Pre-Charged Tanks Technical...
    $2,143.95
    Qty in Cart: 0
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    $2,143.95
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  • Armstrong AX-15V Pre-charged ASME Expansion Tank

    AX-15V Armstrong Pre-charged ASME Expansion Tank 572005-097

    Armstrong

    $657.80
    AX-15V Armstrong Pre-charged ASME Expansion Tank 572005-097. Tank Volume 8.0 gal, (30.3 L). Armstrong Series AX & AX-V Diaphragm Tanks. Armstrong Expansion Tanks are designed to reduce tank sizes by up to 80% over standard designs. Expansion...
    $657.80
    Qty in Cart: 0
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    $657.80
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  • 1BN318LF Bell & Gossett PT-12 Expansion Tank 1BN318LF Bell & Gossett PT-12 Expansion Tank

    1BN318LF Bell & Gossett PT-12 Expansion Tank

    Bell & Gossett

    $78.95
    1BN318LF Bell & Gossett PT-12 Expansion Tank. The Series PT expansion tank is designed to absorb the forces of expanding water and protect a potable water system from pressure build up. The FDA approved heavy duty butyl diaphragm with...
    $78.95
    Qty in Cart: 0
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    $78.95
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  • 116491 Bell & Gossett Series D-15V ASME Expansion Tank 116491 Bell & Gossett Series D-15V ASME Expansion Tank

    116491 Bell & Gossett Series D-15V ASME Expansion Tank

    Bell & Gossett

    $875.95
    116491 Bell & Gossett Series D-15V ASME Expansion Tank. Tank Volume: 8 Gallons (30.3L). Series "D" (ASME) Pressurized Expansion Tanks Vertical. "Not For Potable Water Systems". Bell & Gossett Series "D" Pressurized Expansion Tanks ASME...
    $875.95
    Qty in Cart: 0
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    $875.95
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  • CBX15-125 Taco CBX Vertical Bladder Expansion Tank 4 Gal

    CBX84-125 Taco CBX Vertical Bladder Expansion Tank 22 Gal

    Taco

    $1,855.85
    CBX84-125 Taco CBX Vertical Bladder Expansion Tank 22 Gal. Tank Volume, Gal: 22,  Liter: 84.  *Vertical Installation Only. Taco CBX Expansion Tanks are bladder type tanks that provide permanent separation of air and water. Designed for use...
    $1,855.85
    Qty in Cart: 0
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    $1,855.85
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  • 1BN056LF Bell & Gossett PTA-60V Expansion Tank 1BN056LF Bell & Gossett PTA-60V Expansion Tank

    1BN056LF Bell & Gossett PTA-60V Expansion Tank

    Bell & Gossett

    $2,282.95
    1BN056LF Bell & Gossett PTA-60V Expansion Tank. Series "PTA" (ASME) Residential/Commercial Potable Water Diaphragm Expansion Tanks For Potable Water Systems. Bell & Gossett Potable Water Diaphragm Expansion Tanks ASME (PTA) Information. Tank...
    $2,282.95
    Qty in Cart: 0
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    $2,282.95
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  • 1BN330 Bell & Gossett HFT-30V 14 Gallon Hydronic Heating Expansion Tank

    1BN330 Bell & Gossett HFT-30V Expansion Tank

    Bell & Gossett

    $198.95
    1BN330 Bell & Gossett HFT-30V 14 Gallon Hydronic Heating Expansion Tank. Bell & Gossett Non-ASME Expansion Tanks Series HFT Pre-Charged Diaphragm Technical Brochure Bell & Gossett Diaphragm Expansion Tanks ASME And Non-Code Instruction...
    $198.95
    Qty in Cart: 0
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    $198.95
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  • 1BN328 Bell & Gossett HVAC Expansion Tank HFT-60

    1BN328 Bell & Gossett HVAC Expansion Tank HFT-60

    Bell & Gossett

    $118.95
    1BN328 Bell & Gossett HVAC Expansion Tank HFT-60. Bell & Gossett Non-ASME Expansion Tanks Series HFT Pre-Charged Diaphragm Technical Brochure Bell & Gossett Diaphragm Expansion Tanks ASME And Non-Code Instruction Manual Bell & Gossett...
    $118.95
    Qty in Cart: 0
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    $118.95
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  • 112013 Bell & Gossett ATF-24 Airtrol Tank Fittings

    112013 Bell & Gossett ATF-24 Airtrol Tank Fittings

    Bell & Gossett

    $114.95
    112013 Bell & Gossett ATF-24 Airtrol Tank Fittings. Connection Size: Tank - 1/2"M, Boiler - 3/4"F. Bell & Gossett Airtrol Tank Fittings help to establish proper initial liquid level in the compression tank when filling the hydronic system. They...
    $114.95
    Qty in Cart: 0
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    $114.95
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  • CX300-125 Taco 79 Gal Diaphragm Expansion Tank

    CX300-125 Taco 79 Gal Diaphragm Expansion Tank

    Taco

    $2,127.25
    CX300-125 Taco 79 Gal Diaphragm Expansion Tank. Tank Volume: 79 Gal, 300 Lit. Taco Series CX Expansion Tanks. Most Taco Expansion Tanks are available with either bladders or diaphragms so that water and air are permanently separated. The Taco...
    $2,127.25
    Qty in Cart: 0
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    $2,127.25
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  • PAX130-150 Taco Bladder Expansion Tank PAX130-150 Taco Bladder Expansion Tank

    PAX130-150 Taco Bladder Expansion Tank

    Taco

    $2,418.80
    PAX130-150 Taco Bladder Expansion Tank. Tank Volume: 34 gal, 129 liter. Taco PAX Series bladder type tanks provide permanent separation of air and water. All wetted components are built of FDA-approved materials. Available in 11 models to meet all...
    $2,418.80
    Qty in Cart: 0
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    $2,418.80
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  • 116525 Bell & Gossett Series D-60V ASME Expansion Tank

    116525 Bell & Gossett Series D-60V ASME Expansion Tank

    Bell & Gossett

    $1,555.60
    116525 Bell & Gossett Series D-60V ASME Expansion Tank. Tank Volume: 33.6 Gallons (127.2L). Series "D" (ASME) Pressurized Expansion Tanks Vertical. "Not For Potable Water Systems". Bell & Gossett Series "D" Pressurized Expansion Tanks ASME...
    $1,555.60
    Qty in Cart: 0
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    $1,555.60
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  • 116500 Bell & Gossett Series D-15 ASME Expansion Tank 116500 Bell & Gossett Series D-15 ASME Expansion Tank

    116500 Bell & Gossett Series D-15 ASME Expansion Tank

    Bell & Gossett

    $885.95
    116500 Bell & Gossett Series D-15 ASME Expansion Tank. Tank Volume: 8 Gallons (30.3L). Series "D" (ASME) Pressurized Expansion Tanks Horizontal. "Not For Potable Water Systems". Bell & Gossett Series "D" Pressurized Expansion Tanks ASME...
    $885.95
    Qty in Cart: 0
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    $885.95
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