Amtrol® Customer Service: 401.884.6300 View Brand Website View Brand Warranty Information

AMTROL was founded in 1946 on the premise that innovation, quality and service will be rewarded with customer loyalty and support. In 1954, we revolutionized the hydronic industry when we introduced EXTROL®, the world’s first pre-pressurized diaphragm expansion tank.

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All Amtrol® Products

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  Amtrol T-5 THERM-X-SPAN Expansion Tank, 2.0 Gallon

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  • HPS Quick Code: 308106
  • MPN: AMTT-5
  • UPC: 642031372581
  • Manufacturer: Amtrol
  • Brand: Amtrol®

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  Amtrol T-12 THERM-X-SPAN Expansion Tank, 4.4 Gallon

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  • HPS Quick Code: 308109
  • MPN: AMTT-12
  • UPC: 642031372598
  • Manufacturer: Amtrol
  • Brand: Amtrol®

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  Amtrol ST-1 THERM-X-TROL Expansion Tank

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  • HPS Quick Code: 841469
  • MPN: AMTST-1
  • UPC: 642031679932
  • Manufacturer: Amtrol
  • Brand: Amtrol®

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  Amtrol® Therm-X-Trol® 143N164 ST Series Vertical Free Standing Thermal Expansion Tank, 10.3 gal Tank, 10.3 gal Acceptance, 50 psig Pressure, 15 in Dia x 19 in H

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  • HPS Quick Code: 317680
  • MPN: 143N164
  • UPC: 642031395689
  • Manufacturer: Amtrol
  • Brand: Amtrol®

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  Amtrol® EXTROL® 118-79 SX Series Vertical Floor-Standing Boiler System Expansion Tank, 32 gal Capacity, 0.35 Acceptance, 11.3 gal Acceptance, 100 psi Pressure, Heavy Duty Butyl/EPDM Diaphragm, 15 in Dia x 48 in H

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  • HPS Quick Code: 114290
  • MPN: 118-79
  • UPC: 642031119902
  • Manufacturer: Amtrol
  • Brand: Amtrol®

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  Amtrol® Therm-X-Trol® ST-448C-150 ST-440C Thermal Expansion Tank, 80 gal Tank, 80 gal Acceptance, 150 psig Pressure, 24 in Dia x 59 in H

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  • HPS Quick Code: 110759
  • MPN: ST-448C-150
  • UPC: 642031589903
  • Manufacturer: Amtrol
  • Brand: Amtrol®

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  Amtrol® EXTROL® AX-120-125 AX Series Horizontal Diaphragm Hydronic Expansion Tank, 68 gal Capacity, 34 gal Acceptance, 125 psig Pressure, Heavy Duty Butyl/EPDM Diaphragm, 24 in Dia

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  • HPS Quick Code: 107304
  • MPN: AX-120-125
  • UPC: 642031115751
  • Manufacturer: Amtrol
  • Brand: Amtrol®

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  Amtrol® WELL-X-TROL® Professional WX255D WX-200 Diaphragm Well Tank With Vertical DuraBase® Composite Stand, MNPT Discharge, 81 gal, 1-1/4 in Discharge, 22 in Dia Overall, Antimicrobial Liner, 150 psig

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  • HPS Quick Code: 125805
  • MPN: WX255D
  • UPC: 642031645371
  • Manufacturer: Amtrol
  • Brand: Amtrol®

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  Amtrol® Therm-X-Trol® ST-85CL ST-CL Thermal Expansion Tank, 22 gal Tank, 11 gal Acceptance, 150 psig, 16 in Dia x 35 in H

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  • HPS Quick Code: 115770
  • MPN: ST-85CL
  • UPC: 642031577917
  • Manufacturer: Amtrol
  • Brand: Amtrol®

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  Amtrol® Therm-X-Trol® ST-30VC-175 ST-C Diaphragm Free Standing Thermal Expansion Tank, 14 gal Tank, 9 gal Acceptance, 175 psig Pressure, 16 in Dia x 19 in H

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  • HPS Quick Code: 123552
  • MPN: ST-30VC-175
  • UPC: 642031627988
  • Manufacturer: Amtrol
  • Brand: Amtrol®

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