Expansion Tanks

Expansion tanks prevent pressure buildup in HVAC systems, ensuring efficiency and longevity.

Brand

Type

Height

Pre-Pressure Rating

Color

Material

Connection Type

Connection Size

Showing 60 of 71 Results

Amtrol® 147N130 Therm-X-Trol® ST Series Vertical Free Standing Thermal Expansion Tank, 34 gal

Amtrol® 147N130 Therm-X-Trol® ST Series Vertical Free Standing Thermal Expansion Tank, 34 gal

PN: 55498
UPC: 642031395719
MPN: 147N130

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WATTS® 0067371

WATTS® 0067371

PN: 34968
UPC: 98268095753
MPN: 0067371

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WATTS® 0212032

WATTS® 0212032

PN: 8799
UPC: 98268913545
MPN: 0212032

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WATTS® 0212004 Expansion Tank

WATTS® 0212004 Expansion Tank

PN: 5278
UPC: 98268913262
MPN: 0212004

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Amtrol® FT-109 389767

Amtrol® FT-109 389767

PN: 51433
UPC: 64203111419
MPN: FT-109

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WATTS® 0066608

WATTS® 0066608

PN: 80915
UPC: 9826821947
MPN: 66608

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Amtrol® 400-L 392772 400-L Model: Full Acceptance Bladder

Amtrol® 400-L 392772 400-L Model: Full Acceptance Bladder

PN: 597579
MPN: 400-L

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Amtrol® ST-130CL Therm-X-Trol® ST-CL Thermal Expansion Tank, 34 gal

Amtrol® ST-130CL Therm-X-Trol® ST-CL Thermal Expansion Tank, 34 gal

PN: 605570
UPC: 642031577948
MPN: ST-130CL

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This product is obsolete. View replacement products.

Amtrol® 390517 T-5A 2GAL THERMAL EXPANSION TANK

Amtrol® 390517 T-5A 2GAL THERMAL EXPANSION TANK

PN: 566594
UPC: 64203154849
MPN: T-5A

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Amtrol® FPT-12C Fire-X-Trol® In-Line Sprinkler System Expansion Tank, 6.4 gal

Amtrol® FPT-12C Fire-X-Trol® In-Line Sprinkler System Expansion Tank, 6.4 gal

PN: 46881
UPC: 642031588234
MPN: FPT-12C

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Lochinvar®LTCPA80 ASME EXPANSION

Lochinvar®LTCPA80 ASME EXPANSION

PN: 99880
MPN: LTCPA80

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Amtrol® 800-L 391828

Amtrol® 800-L 391828

PN: 624462
MPN: 800-L

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Amtrol® 600-L 391797

Amtrol® 600-L 391797

PN: 624477
MPN: 600-L

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Amtrol® 143N273 Therm-X-Trol® ST Series Vertical Free Standing Thermal Expansion Tank, 14 gal

Amtrol® 143N273 Therm-X-Trol® ST Series Vertical Free Standing Thermal Expansion Tank, 14 gal

PN: 51021
UPC: 642031395696
MPN: 143N273

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Amtrol® ST-5C-DD 390414

Amtrol® ST-5C-DD 390414

PN: 51920
MPN: ST-5C-DD

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Amtrol® FPT-30VC Fire-X-Trol® Free Standing Sprinkler System Expansion Tank, 14 gal

Amtrol® FPT-30VC Fire-X-Trol® Free Standing Sprinkler System Expansion Tank, 14 gal

PN: 183918
UPC: 642031588265
MPN: FPT-30VC

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Amtrol® ST-449C-125 Therm-X-Trol® ST-440C Thermal Expansion Tank, 106 gal

Amtrol® ST-449C-125 Therm-X-Trol® ST-440C Thermal Expansion Tank, 106 gal

PN: 400547
UPC: 642031653994
MPN: ST-449C-125

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Amtrol® WX-449C 392151 WX-C

Amtrol® WX-449C 392151 WX-C

PN: 580548
MPN: WX-449C

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Amtrol® WX-202H 399591

Amtrol® WX-202H 399591

PN: 567769
MPN: WX-202H

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WATTS® 0066606 Expansion Tank

WATTS® 0066606 Expansion Tank

PN: 80375
UPC: 098268219357
MPN: 0066606

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Amtrol® ST-447C-150 Therm-X-Trol® ST-440C Thermal Expansion Tank, 53 gal

Amtrol® ST-447C-150 Therm-X-Trol® ST-440C Thermal Expansion Tank, 53 gal

PN: 141983
UPC: 642031579942
MPN: ST-447C-150

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Amtrol® ST-1 398917

Amtrol® ST-1 398917

PN: 628795
MPN: ST-1

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Amtrol® 144N177 Therm-X-Trol® ST Series Vertical Free Standing Thermal Expansion Tank, 20 gal

Amtrol® 144N177 Therm-X-Trol® ST Series Vertical Free Standing Thermal Expansion Tank, 20 gal

PN: 454602
UPC: 642031395702
MPN: 144N177

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Amtrol® 149-166 Therm-X-Trol® ST Series Vertical Free Standing Thermal Expansion Tank, 81 gal

Amtrol® 149-166 Therm-X-Trol® ST Series Vertical Free Standing Thermal Expansion Tank, 81 gal

PN: 649122
UPC: 642031633552
MPN: 149-166

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Lochinvar®LTCPA-30 EXPANSION TANK

Lochinvar®LTCPA-30 EXPANSION TANK

PN: 110550
MPN: LTCPA-30

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Lochinvar®LTCPA-20 ASME EXPANSION

Lochinvar®LTCPA-20 ASME EXPANSION

PN: 134620
MPN: LTCPA-20

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Amtrol® WX-450 391513

Amtrol® WX-450 391513

PN: 411935
MPN: WX-450C

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Amtrol® ST-447C-125 Therm-X-Trol® ST-440C Thermal Expansion Tank, 53 gal

Amtrol® ST-447C-125 Therm-X-Trol® ST-440C Thermal Expansion Tank, 53 gal

PN: 591010
UPC: 642031663399
MPN: ST-447C-125

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Zurn® Wilkins WTTA-30 Thermal Expansion Tank

Zurn® Wilkins WTTA-30 Thermal Expansion Tank

PN: 519238
UPC: 612052055992
MPN: WTTA-30

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WATTS® 0066609 ETSX

WATTS® 0066609 ETSX

PN: 15893
UPC: 98268219487
MPN: 0066609

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Amtrol® ST-20VC-DD

Amtrol® ST-20VC-DD

PN: 6259
MPN: ST-20VC-DD

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Amtrol® WX-202UG 399597

Amtrol® WX-202UG 399597

PN: 490152
MPN: WX-202UG

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Amtrol® WX-201 399579

Amtrol® WX-201 399579

PN: 28261
MPN: WX-201

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Amtrol® 141N43 Therm-X-Trol® ST Series In-Line Thermal Expansion Tank, 4.4 gal

Amtrol® 141N43 Therm-X-Trol® ST Series In-Line Thermal Expansion Tank, 4.4 gal

PN: 50757
UPC: 642031395672
MPN: 141N43

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WATTS® 0212028

WATTS® 0212028

PN: 7381
UPC: 98268913507
MPN: 0212028

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WATTS® 0212029

WATTS® 0212029

PN: 7573
UPC: 98268913514
MPN: 0212029

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Lochinvar®LTCPA-12 ASME EXPANSION

Lochinvar®LTCPA-12 ASME EXPANSION

PN: 178329
MPN: LTCPA-12

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Amtrol® 1400-L 391888

Amtrol® 1400-L 391888

PN: 624464
MPN: 1400-L

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Amtrol® ST-50CL Therm-X-Trol® ST-CL Thermal Expansion Tank, 13 gal

Amtrol® ST-50CL Therm-X-Trol® ST-CL Thermal Expansion Tank, 13 gal

PN: 576149
UPC: 642031577887
MPN: ST-50CL

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Amtrol® ST-35CL Therm-X-Trol® ST-CL Thermal Expansion Tank, 10 gal

Amtrol® ST-35CL Therm-X-Trol® ST-CL Thermal Expansion Tank, 10 gal

PN: 660679
UPC: 642031577863
MPN: ST-35CL

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Amtrol® ST-85CL Therm-X-Trol® ST-CL Thermal Expansion Tank, 22 gal

Amtrol® ST-85CL Therm-X-Trol® ST-CL Thermal Expansion Tank, 22 gal

PN: 616977
UPC: 642031577917
MPN: ST-85CL

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Amtrol® ST-400CL Therm-X-Trol® ST-CL Thermal Expansion Tank, 106 gal

Amtrol® ST-400CL Therm-X-Trol® ST-CL Thermal Expansion Tank, 106 gal

PN: 580427
UPC: 642031577993
MPN: ST-400CL

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WATTS® 0066611

WATTS® 0066611

PN: 16436
UPC: 98268219500
MPN: 0066611

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Amtrol® WX-255 399646

Amtrol® WX-255 399646

PN: 470680
MPN: WX-255

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WATTS® 0066605 Water Expansion Tank

WATTS® 0066605 Water Expansion Tank

PN: 80174
UPC: 098268219340
MPN: 0066605

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ELBI DTS19 EXPANSION TANK

ELBI DTS19 EXPANSION TANK

PN: 441191
MPN: DTS19

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Amtrol® WX-404C 391344

Amtrol® WX-404C 391344

PN: 502658
MPN: WX-404C

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WATTS® 0212027

WATTS® 0212027

PN: 7196
UPC: 9826891349
MPN: 212027

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Amtrol® ST-180VC 391441

Amtrol® ST-180VC 391441

PN: 195260
MPN: ST-180VC

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Lochinvar® LTCPA210 Thermal Expansion Tank With Lifting Rings, 90 gal Tank

Lochinvar® LTCPA210 Thermal Expansion Tank With Lifting Rings, 90 gal Tank

PN: 115000
MPN: LTCPA210

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WATTS® 0067372

WATTS® 0067372

PN: 85849
UPC: 098268483161
MPN: 0067372

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Amtrol® ST-448C-150 Therm-X-Trol® ST-440C Thermal Expansion Tank, 80 gal

Amtrol® ST-448C-150 Therm-X-Trol® ST-440C Thermal Expansion Tank, 80 gal

PN: 524370
UPC: 642031589903
MPN: ST-448C-150

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Amtrol® ST-210VC-150 Therm-X-Trol® ST-C Diaphragm Free Standing Thermal Expansion Tank, 341 gal

Amtrol® ST-210VC-150 Therm-X-Trol® ST-C Diaphragm Free Standing Thermal Expansion Tank, 341 gal

PN: 536076
UPC: 642031138729
MPN: ST-210VC-150

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Amtrol® 143N164 Therm-X-Trol® ST Series Vertical Free Standing Thermal Expansion Tank, 10.3 gal

Amtrol® 143N164 Therm-X-Trol® ST Series Vertical Free Standing Thermal Expansion Tank, 10.3 gal

PN: 48737
UPC: 642031395689
MPN: 143N164

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WATTS® 0067370

WATTS® 0067370

PN: 45105
UPC: 98268095739
MPN: 0067370

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Lochinvar® LTCPA42 Thermal Expansion Tank, 16 in Dia, 31 in Height

Lochinvar® LTCPA42 Thermal Expansion Tank, 16 in Dia, 31 in Height

PN: 231017
MPN: LTCPA42

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WATTS® 0066610 Water Expansion Tank

WATTS® 0066610 Water Expansion Tank

PN: 4860
UPC: 98268219494
MPN: 0066610

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Amtrol® FPT-5C Fire-X-Trol® In-Line Sprinkler System Expansion Tank, 2.1 gal

Amtrol® FPT-5C Fire-X-Trol® In-Line Sprinkler System Expansion Tank, 2.1 gal

PN: 57614
UPC: 642031576170
MPN: FPT-5C

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Amtrol® 140N43 Therm-X-Trol® ST Series In-Line Thermal Expansion Tank, 2 gal

Amtrol® 140N43 Therm-X-Trol® ST Series In-Line Thermal Expansion Tank, 2 gal

PN: 50041
UPC: 642031395665
MPN: 140N43

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WATTS® 0212026

WATTS® 0212026

PN: 24773
UPC: 9826891348
MPN: 212026

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1 - 60 of 71

Expansion tanks are essential components in closed-loop heating and cooling systems. They accommodate the thermal expansion of water, preventing pressure buildup that could damage pipes and equipment. By maintaining system pressure and enhancing efficiency, these tanks ensure reliable operation and longevity of HVAC systems. Available in various sizes and materials, they cater to diverse applications, making them vital for optimal performance.