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Plumbing Supplies
Expansion Tanks
Therm-X-Trol Expansion Tanks
Therm-X-Trol Expansion Tanks
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23 items
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140N43 Compare Checkbox
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THERM-X-TROL ST-5 Expansion Tank
SKU:
140N43
Amtrol
SKU:
140N43
Brand:
Amtrol
(111)
–
+
$65.07
each
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In Stock
Get 240 by
Tue, Jul 7
Total Available: 1,035
In Stock
Get 240 by
Tue, Jul 7
Total Available: 1,035
Add to List
141N43 Compare Checkbox
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THERM-X-TROL ST-12 Expansion Tank
SKU:
141N43
Amtrol
SKU:
141N43
Brand:
Amtrol
(72)
–
+
$86.49
each
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In Stock
Get 208 by
Tue, Jul 7
Total Available: 930
In Stock
Get 208 by
Tue, Jul 7
Total Available: 930
Add to List
143N164 Compare Checkbox
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THERM-X-TROL ST-25V Expansion Tank (10.3 Gallon Volume)
SKU:
143N164
Amtrol
SKU:
143N164
Brand:
Amtrol
(8)
–
+
$271.04
each
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Add to List
In Stock
Get 15 by
Tue, Jul 7
Total Available: 107
In Stock
Get 15 by
Tue, Jul 7
Total Available: 107
Add to List
143N273 Compare Checkbox
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THERM-X-TROL ST-30V Expansion Tank (14 Gallon Volume)
SKU:
143N273
Amtrol
SKU:
143N273
Brand:
Amtrol
(8)
–
+
$344.87
each
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In Stock
Get 25 by
Tue, Jul 7
Total Available: 101
In Stock
Get 25 by
Tue, Jul 7
Total Available: 101
Add to List
144N177 Compare Checkbox
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THERM-X-TROL ST-42V Expansion Tank (20 Gallon Volume)
SKU:
144N177
Amtrol
SKU:
144N177
Brand:
Amtrol
(2)
–
+
$410.36
each
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Add to List
In Stock
Get 1 by
Tue, Jul 7
Total Available: 27
In Stock
Get 1 by
Tue, Jul 7
Total Available: 27
Add to List
146-2389 Compare Checkbox
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THERM-X-TROL ST-60V-C ASME Expansion Tank w/o Backing Bar (25 Gallon Volume)
SKU:
146-2389
Amtrol
SKU:
146-2389
Brand:
Amtrol
–
+
$2,758.64
each
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Add to List
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
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147N130 Compare Checkbox
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THERM-X-TROL ST-60V Expansion Tank (34 Gallon Volume)
SKU:
147N130
Amtrol
SKU:
147N130
Brand:
Amtrol
–
+
$572.16
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jul 7
Total Available: 24
In Stock
Get 1 by
Tue, Jul 7
Total Available: 24
Add to List
141-009 Compare Checkbox
Compare
THERM-X-TROL ST-20V-C ASME Expansion Tank (8 Gallon Volume)
SKU:
141-009
Amtrol
SKU:
141-009
Brand:
Amtrol
–
+
$2,210.65
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by
Tue, Aug 4 - Tue, Sep 1
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147N131 Compare Checkbox
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THERM-X-TROL ST-80V Expansion Tank (44 Gallon Volume)
SKU:
147N131
Amtrol
SKU:
147N131
Brand:
Amtrol
–
+
$785.64
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jul 7
Total Available: 3
In Stock
Get 1 by
Tue, Jul 7
Total Available: 3
Add to List
148N118 Compare Checkbox
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THERM-X-TROL ST-180V Expansion Tank (62 Gallon Volume)
SKU:
148N118
Amtrol
SKU:
148N118
Brand:
Amtrol
–
+
$1,075.25
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Add to List
401681 Compare Checkbox
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THERM-X-TROL ST-30VC-DD ASME Expansion Tank, 150 PSI (16.6 Gallon)
SKU:
401681
Amtrol
SKU:
401681
Brand:
Amtrol
–
+
$2,308.01
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Add to List
150N32 Compare Checkbox
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THERM-X-TROL ST-210V Expansion Tank (86 Gallon Volume)
SKU:
150N32
Amtrol
SKU:
150N32
Brand:
Amtrol
–
+
$1,259.64
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Add to List
140735 Compare Checkbox
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THERM-X-SPAN T-5 Expansion Tank (2 Gallon Volume)
SKU:
140735
Amtrol
SKU:
140735
Brand:
Amtrol
(28)
–
+
$44.40
each
ADD TO CART
Add to List
In Stock
Get 115 by
Tue, Jul 7
Total Available: 223
In Stock
Get 115 by
Tue, Jul 7
Total Available: 223
Add to List
141363 Compare Checkbox
Compare
THERM-X-SPAN T-12 Expansion Tank (4.4 Gallon Volume)
SKU:
141363
Amtrol
SKU:
141363
Brand:
Amtrol
(7)
–
+
$67.55
each
ADD TO CART
Add to List
In Stock
Get 126 by
Wed, Jul 8
Total Available: 170
In Stock
Get 126 by
Wed, Jul 8
Total Available: 170
Add to List
141-008 Compare Checkbox
Compare
THERM-X-TROL ASME ST-12-C Expansion Tank (150 psi)
SKU:
141-008
Amtrol
SKU:
141-008
Brand:
Amtrol
–
+
$2,026.80
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Add to List
149-166 Compare Checkbox
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THERM-X-TROL ST-200V Expansion Tank (81 Gallon Volume)
SKU:
149-166
Amtrol
SKU:
149-166
Brand:
Amtrol
–
+
$1,321.02
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Add to List
181-53 Compare Checkbox
Compare
THERM-X-TROL ST-454-C, Replaceable Bladder Design ASME Tank (317 Gallon, 150 PSI)
SKU:
181-53
Amtrol
SKU:
181-53
Brand:
Amtrol
–
+
$14,871.71
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Add to List
143-218 Compare Checkbox
Compare
THERM-X-TROL ASME ST-30V-C Expansion Tank (150 PSI)
SKU:
143-218
Amtrol
SKU:
143-218
Brand:
Amtrol
–
+
$2,318.87
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Add to List
147-139 Compare Checkbox
Compare
THERM-X-TROL ASME ST-80V-C Expansion Tank
SKU:
147-139
Amtrol
SKU:
147-139
Brand:
Amtrol
–
+
$4,247.00
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Add to List
144-0148 Compare Checkbox
Compare
THERM-X-TROL ST-42V-C ASME Expansion Tank (18 Gallon Volume)
SKU:
144-0148
Amtrol
SKU:
144-0148
Brand:
Amtrol
–
+
$2,427.01
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Add to List
117-512 Compare Checkbox
Compare
ASME 500-L EXTROL Bladder Tank (150 PSI)
SKU:
117-512
Amtrol
SKU:
117-512
Brand:
Amtrol
–
+
$5,403.77
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Backorder
Get it by
Wed, Aug 5 - Fri, Sep 4
Add to List
390414 Compare Checkbox
Compare
THERM-X-TROL ASME ST-5C-DD Expansion Tank
SKU:
390414
Amtrol
SKU:
390414
Brand:
Amtrol
–
+
$1,717.41
each
ADD TO CART
Add to List
In Stock
Get 8 by
Wed, Jul 8
In Stock
Get 8 by
Wed, Jul 8
Add to List
140P01 Compare Checkbox
Compare
THERM-X-TROL ST-1 Expansion Tank (Matte Tan)
SKU:
140P01
Amtrol
SKU:
140P01
Brand:
Amtrol
(3)
–
+
$31.54
each
ADD TO CART
Add to List
In Stock
Get 28 by
Tue, Jul 7
Total Available: 136
In Stock
Get 28 by
Tue, Jul 7
Total Available: 136
Add to List
Resources
FAQs, Manuals & Videos
Videos
Other Resources
Videos
How Expansion Tanks Work
Expansion Tank Mounting Positions Explained (Vertical vs Horizontal Installation)
Other Resources
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