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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 EX-30 is the Number 1 Seller
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
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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$40.00
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Model Number EX-15 is the Number 2 Seller
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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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Model Number EX-60 is the Number 3 Seller
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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
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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$80.00
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Model Number 537-1 is the Number 4 Seller
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Amtrol Diatrol - 0.75 Gallon - Water Hammer Arrestor
Model: 537-1
Amtrol - 537-1 - 0.75 Gallon - Water Hammer Arrestor - 3/4" NPT Connection
11% 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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$100.00
Only 1 In-Stock
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Model Number EX-1500-100 is the Number 5 Seller
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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
11% 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-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
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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$68.00
In-Stock
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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
5% Buy This
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$39.00
In-Stock
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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
4% 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 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
4% 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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$187.00
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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
4% 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
In-Stock
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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
4% Buy This
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$46.00
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
2% 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
In-Stock
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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
2% 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
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
2% Buy This
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$59.00
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
2% Buy This
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$397.00
In-Stock
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Learn More About Free Freight *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-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
2% Buy This
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$68.00
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 FT-111-125
Amtrol Fill-Trol - 7.4 Gallon - Expansion Tank & Fill Valve Combination Kit - 1-1/4" Purger & Vent
Model: FT-111-125
Amtrol - FT-111-125 - 7.4 Gallon - Expansion Tank & Fill Valve Combination Kit - With 1-1/4" 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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$159.00
Only 1 In-Stock
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Learn More About FT-111
Amtrol Fill-Trol - 7.4 Gallon - Expansion Tank & Fill Valve
Model: FT-111
Amtrol - FT-111 - 7.4 Gallon - Expansion Tank & Fill Valve - 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(1)
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$131.00
Only 1 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
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 FT-109-15
Amtrol Fill-Trol - Fill Valve
Model: FT-109-15
Amtrol - FT-109-15 - Fill Valve
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
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
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$199.00
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
Freight Icon
Free Shipping
Learn More About Free Freight *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 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
In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *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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