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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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Learn More About 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
21% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$40.00
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Learn More About 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
16% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$60.00
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Learn More About 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
14% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$32.00
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Learn More About 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
9% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$68.00
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Learn More About 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
7% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$137.00
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Learn More About 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
7% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$85.00
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Learn More About 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
6% Buy This
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$68.00
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Learn More About 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
4% Buy This
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$100.00
Only 4 In-Stock
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Learn More About FT-109-15
Amtrol Fill-Trol - Fill Valve
Model: FT-109-15
Amtrol - FT-109-15 - Fill Valve
4% Buy This
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$40.00
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Learn More About RX-30
Amtrol Radiant Extrol - 4.4 Gallon - Radiant 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
3% Buy This
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$68.00
In-Stock
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Learn More About 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
1% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
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$113.00
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Learn More About 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
1% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$80.00
In-Stock
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Learn More About EX-1500-125
Amtrol Extrol - 2 Gallon - In-Line Expansion Tank Combination Kit - 1-1/4" Purger & Vent
Model: EX-1500-125
Amtrol - EX-1500-125 - 2 Gallon - In-Line Expansion Tank Combination Kit - With 1-1/4" Purger & Vent - 1-1/4" NPT Connection - 1 Gallons Max Acceptance
1% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$60.00
In-Stock
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Learn More About SX-40V
Amtrol Extrol - 20 Gallon - Vertical Boiler System Expansion Tank
Model: SX-40V
Amtrol - SX-40V - 20 Gallon - Vertical Boiler System Expansion Tank - 1" NPT Connection - 11.3 Gallons Max Acceptance
1% Buy This
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$199.00
In-Stock
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Learn More About ST-25V
Amtrol Therm-X-Trol - 10.3 Gallon - Vertical Thermal Expansion Tank
Model: ST-25V
Amtrol - ST-25V - 10.3 Gallon - Vertical Thermal Expansion Tank - 3/4" NPT Connection - 10.3 Gallons Max Acceptance
1% Buy This
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$397.00
In-Stock
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 RX-15
Amtrol Radiant Extrol - 2 Gallon - Radiant 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
1% Buy This
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$56.00
In-Stock
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Learn More About 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
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
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$113.00
In-Stock
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Learn More About 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
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$187.00
In-Stock
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Learn More About SX-60V
Amtrol Extrol - 32 Gallon - Vertical Boiler System Expansion Tank
Model: SX-60V
Amtrol - SX-60V - 32 Gallon - Vertical Boiler System Expansion Tank - 1" NPT Connection - 11.3 Gallons Max Acceptance
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$291.00
In-Stock
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.
Add To Cart
Learn More About SX-110V
Amtrol Extrol - 62 Gallon - Vertical Boiler System Expansion Tank
Model: SX-110V
Amtrol - SX-110V - 62 Gallon - Vertical Boiler System Expansion Tank - 1-1/4" NPT Connection - 34 Gallons Max Acceptance
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$771.00
Only 4 In-Stock
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.
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Learn More About ST-5
Amtrol Therm-X-Trol - 2 Gallon - In-Line Thermal Expansion Tank
Model: ST-5
Amtrol - ST-5 - 2 Gallon - In-Line Thermal Expansion Tank - 3/4" NPT Connection - 0.9 Gallons Max Acceptance
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$175.00
In-Stock
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Learn More About ST-8
Amtrol Therm-X-Trol - 3.2 Gallon - In-Line Thermal Expansion Tank
Model: ST-8
Amtrol - ST-8 - 3.2 Gallon - In-Line Thermal Expansion Tank - 3/4" NPT Connection - 1.9 Gallons Max Acceptance
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$241.00
In-Stock
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.
Add To Cart
Learn More About ST-12
Amtrol Therm-X-Trol - 4.4 Gallon - In-Line Thermal Expansion Tank
Model: ST-12
Amtrol - ST-12 - 4.4 Gallon - In-Line Thermal Expansion Tank - 3/4" NPT Connection - 3.2 Gallons Max Acceptance
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$185.00
In-Stock
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Learn More About ST-30V
Amtrol Therm-X-Trol - 14 Gallon - Vertical Thermal Expansion Tank
Model: ST-30V
Amtrol - ST-30V - 14 Gallon - Vertical Thermal Expansion Tank - 3/4" NPT Connection - 11.3 Gallons Max Acceptance
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$446.00
In-Stock
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.
Add To Cart

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