Amtrol

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Amtrol has been leading hydronics innovation since their invention of the pre-pressurized expansion tank in 1954. Their high quality water systems solutions suit a wide variety of residential, commercial, and industrial applications.
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Model Number ST-12 is the Number 1 Seller
Learn More About Amtrol ST-12
Amtrol Therm-X-Trol - 4.4 Gallon - In-Line Thermal Expansion Tank
Model: ST-12
3/4" NPT Connection - 3.2 Gallons Max Acceptance
36% Buy This
(1)
$46.00
In-Stock
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Model Number EX-60 is the Number 2 Seller
Learn More About Amtrol EX-60
Amtrol Extrol - 7.6 Gallon - In-Line Boiler System Expansion Tank
Model: EX-60
Amtrol - EX-60 - 7.6 Gallon - In-Line Boiler System Expansion Tank - 1/2" NPT Connection - 2.5 Gallons Max Acceptance
9% Buy This
(3)
$80.00
In-Stock
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Model Number RX-30 is the Number 3 Seller
Learn More About Amtrol RX-30
Amtrol Radiant Extrol - 4.4 Gallon - Radiant Floor Heating System Expansion Tank - In-Line Mounting
Model: RX-30
Amtrol - RX-30 - 4.4 Gallon - Radiant Heating System Expansion Tank - In-Line Mounting - 1/2" NPT Connection - 3.2 Gallons Max Acceptance
8% Buy This
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$68.00
Only 1 In-Stock
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Model Number ST-25V is the Number 4 Seller
Learn More About Amtrol ST-25V
Amtrol Therm-X-Trol - 10.3 Gallon - Vertical Thermal Expansion Tank
Model: ST-25V
3/4" NPT Connection - 10.3 Gallons Max Acceptance
7% Buy This
(1)
$149.00
Factory-Direct
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Model Number FT-110 is the Number 5 Seller
Learn More About Amtrol FT-110
Amtrol Fill-Trol - 4.4 Gallon - Expansion Tank & Fill Valve
Model: FT-110
Amtrol - FT-110 - 4.4 Gallon - Expansion Tank & Fill Valve - 1/2" NPT Connection - 2.5 Gallons Max Acceptance
4% Buy This
(1)
$85.00
In-Stock
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Learn More About Amtrol EX-15
Amtrol Extrol - 2 Gallon - In-Line Boiler System Expansion Tank
Model: EX-15
Amtrol - EX-15 - 2 Gallon - In-Line Boiler System Expansion Tank - 1/2" NPT Connection - 1 Gallons Max Acceptance
4% Buy This
(1)
$32.00
In-Stock
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Learn More About Amtrol EX-30
Amtrol Extrol - 4.4 Gallon - In-Line Boiler System Expansion Tank
Model: EX-30
Amtrol - EX-30 - 4.4 Gallon - In-Line Boiler System Expansion Tank - 1/2" NPT Connection - 2.5 Gallons Max Acceptance
4% Buy This
(1)
$40.00
In-Stock
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Learn More About Amtrol EX-3000-125
Amtrol Extrol - 4.4 Gallon - In-Line Expansion Tank Combination Kit - 1-1/4" Purger & Vent
Model: EX-3000-125
Amtrol - EX-3000-125 - 4.4 Gallon - In-Line Expansion Tank Combination Kit - With 1-1/4" Purger & Vent - 1-1/4" NPT Connection - 2.5 Gallons Max Acceptance
4% Buy This
(1)
$68.00
In-Stock
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Learn More About Amtrol ST-5
Amtrol Therm-X-Trol - 2 Gallon - In-Line Thermal Expansion Tank
Model: ST-5
3/4" NPT Connection - 0.9 Gallons Max Acceptance
3% Buy This
(2)
$39.00
In-Stock
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Learn More About Amtrol EX-3000-100
Amtrol Extrol - 4.4 Gallon - In-Line Expansion Tank Combination Kit - 1" Purger & Vent
Model: EX-3000-100
Amtrol - EX-3000-100 - 4.4 Gallon - In-Line Expansion Tank Combination Kit - With 1" Purger & Vent - 1" NPT Connection - 2.5 Gallons Max Acceptance
3% Buy This
(1)
$68.00
In-Stock
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Learn More About Amtrol EX-1500-100
Amtrol Extrol - 2 Gallon - In-Line Expansion Tank Combination Kit - 1" Purger & Vent
Model: EX-1500-100
Amtrol - EX-1500-100 - 2 Gallon - In-Line Expansion Tank Combination Kit - With 1" Purger & Vent - 1" NPT Connection - 1 Gallons Max Acceptance
3% Buy This
(1)
$60.00
In-Stock
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Learn More About Amtrol RX-15
Amtrol Radiant Extrol - 2 Gallon - Radiant Floor Heating System Expansion Tank - In-Line Mounting
Model: RX-15
Amtrol - RX-15 - 2 Gallon - Radiant Heating System Expansion Tank - In-Line Mounting - 1/2" NPT Connection - 0.9 Gallons Max Acceptance
3% Buy This
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$56.00
In-Stock
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Learn More About Amtrol ST-60V
Amtrol Therm-X-Trol - 34 Gallon - Vertical Thermal Expansion Tank
Model: ST-60V
1-1/4" NPT Connection - 34 Gallons Max Acceptance
1% Buy This
(2)
$319.00
In-Stock
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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Learn More About Amtrol FT-109-15
Amtrol Fill-Trol - Fill Valve
Model: FT-109-15
Amtrol - FT-109-15 - Fill Valve
1% Buy This
(1)
$40.00
Only 4 In-Stock
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Learn More About Amtrol SX-30V
Amtrol Extrol - 14 Gallon - Vertical Boiler System Expansion Tank
Model: SX-30V
Amtrol - SX-30V - 14 Gallon - Vertical Boiler System Expansion Tank - 1" NPT Connection - 11.3 Gallons Max Acceptance
1% Buy This
(1)
$187.00
In-Stock
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Learn More About Amtrol ST-30V
Amtrol Therm-X-Trol - 14 Gallon - Vertical Thermal Expansion Tank
Model: ST-30V
3/4" NPT Connection - 11.3 Gallons Max Acceptance
1% Buy This
(1)
$209.00
In-Stock
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Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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Learn More About Amtrol ST-42V
Amtrol Therm-X-Trol - 20 Gallon - Vertical Thermal Expansion Tank
Model: ST-42V
3/4" NPT Connection - 11.4 Gallons Max Acceptance
1% Buy This
(1)
$249.00
Only 2 In-Stock
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Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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Learn More About Amtrol ST-180V
Amtrol Therm-X-Trol - 62 Gallon - Vertical Thermal Expansion Tank
Model: ST-180V
1-1/4" NPT Connection - 34.1 Gallons Max Acceptance
1% Buy This
(1)
$865.00
Backordered
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Est. Ship Date Apr 12
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Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Backorder
Learn More About Amtrol ST-30VC-DD
Amtrol Therm-X-Trol® - 16.5 Gallon - Vertical Thermal Expansion Tank - ASME Certified
Model: ST-30VC-DD
3/4" NPT Connection - 11.3 Gallons Max Acceptance
1% Buy This
Write a Review
$1,779.00
In-Stock
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Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About Amtrol FT-110-100
Amtrol Fill-Trol - 4.4 Gallon - Expansion Tank & Fill Valve Combination Kit - 1" Purger & Vent
Model: FT-110-100
Amtrol - FT-110-100 - 4.4 Gallon - Expansion Tank & Fill Valve Combination Kit - With 1" Purger & Vent - 1/2" NPT Connection - 2.5 Gallons Max Acceptance
1% Buy This
(2)
$113.00
In-Stock
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Learn More About Amtrol 537-1
Amtrol Diatrol - 0.75 Gallon - Water Hammer Arrestor
Model: 537-1
Amtrol - 537-1 - 0.75 Gallon - Water Hammer Arrestor - 3/4" NPT Connection
1% Buy This
(1)
$100.00
Factory-Direct
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Learn More About Amtrol EX-90
Amtrol Extrol - 14 Gallon - In-Line Boiler System Expansion Tank
Model: EX-90
Amtrol - EX-90 - 14 Gallon - In-Line Boiler System Expansion Tank - 1/2" NPT Connection - 11.3 Gallons Max Acceptance
1% Buy This
(1)
$137.00
In-Stock
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Learn More About Amtrol ST-12C-DD
Amtrol Therm-X-Trol® - 6.4 Gallon - In-Line Thermal Expansion Tank - ASME Certified
Model: ST-12C-DD
3/4" NPT Connection - 3.2 Gallons Max Acceptance
1% Buy This
(1)
$1,508.00
In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About Amtrol FT-110-125
Amtrol Fill-Trol - 4.4 Gallon - Expansion Tank & Fill Valve Combination Kit - 1-1/4" Purger & Vent
Model: FT-110-125
Amtrol - FT-110-125 - 4.4 Gallon - Expansion Tank & Fill Valve Combination Kit - With 1-1/4" Purger & Vent - 1/2" NPT Connection - 2.5 Gallons Max Acceptance
(2)
$113.00
In-Stock
Add To Cart