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  • Aprilaire 213 - Filtering Media For Model 2210 And 4200 (Merv 13)
    AMTROL
    Aprilaire 213 - Filtering Media For Model 2210 And 4200 (Merv 13)
    SKU: 213
    Media for Model 2210 and 4200 (Merv 13). This is the replacement filter for the Model 4200 Aprilaire Air Cleaners. The filter can also be used in the Models 2200 and 2120 provided the upgrade kit Part 1213 has been installed. The filter is...
    $69.11
    $69.11
  • Amtrol 109 Fill-Trol Tank Only 109
    AMTROL
    Amtrol 109 Fill-Trol Tank Only 109
    SKU: 109
    Product DescriptionThe Amtrol 109 Fill-Trol Tank Only 109 is designed to provide reliable performance in plumbing systems. This tank is ideal for trade professionals who need a robust solution for water heater operations. 1/2 Nptf connection Ideal for water heater systems Manufactured in the...
    $103.66
    $103.66
  • Amtrol 2704-392 Dial Control Retrofit Kit WH Series for All 26 & 41 gallon models and Amtrol TD-80Amtrol 2704-392 Dial Control Retrofit Kit WH Series for All 26 & 41 gallon models and Amtrol TD-80
    AMTROL
    Amtrol 2704-392 Dial Control Retrofit Kit WH Series for All 26 & 41 gallon models and Amtrol TD-80
    SKU: 2704-392
    Product DescriptionThe Amtrol 2704-392 Dial Control Retrofit Kit is designed for retrofit applications with various Amtrol models. This kit is ideal for 26-gallon and 41-gallon models, including the TD-80. It provides an efficient solution for upgrading control mechanisms in water heaters. Compatible with multiple...
    $367.40
    $367.40
  • Amtrol 30 Expansion Tank 1/2
    AMTROL
    Amtrol 30 Expansion Tank 1/2
    SKU: 30
    Product DescriptionThe Amtrol 30 Expansion Tank, MPN 30, is designed for use in residential or commercial water heater systems. This expansion tank helps maintain system pressure and reduce stress on the plumbing system by absorbing excess water volume generated during heating. 1/2 inch NPT...
    $67.51
    $67.51
  • Amtrol ST-60V 34 Gallon Vert Thermal Expansion Tank 1-1/4 NPT 34 Gallons Max
    AMTROL
    Amtrol ST-60V 34 Gallon Vert Thermal Expansion Tank 1-1/4 NPT 34 Gallons Max
    SKU: ST-60V
    Product DescriptionThe Amtrol ST-60V 34 Gallon Vert Thermal Expansion Tank, MPN ST-60V, controls pressure build-up in closed water systems. Ideal for both large residential and light commercial use, this tank helps manage thermal expansion and ensures smooth water system operation. Accepts expanded water caused...
    $633.91
    $633.91
  • Amtrol 940R101 Smart Control With ThermistorAmtrol 940R101 Smart Control With Thermistor
    AMTROL
    Amtrol 940R101 Smart Control With Thermistor
    SKU: 940R101
    Product DescriptionThe Amtrol 940R101 Smart Control with Thermistor is a reliable control unit for all SmartControl water heater models. This unit provides efficient and accurate temperature control. Compatible with all SmartControl models Diagnostic error codes for troubleshooting 24 or 120 volt input capability Product...
    $435.78
    $435.78
  • AMTROL 15-PRO(435339) Radiant Extrol Radiant Flooring Expansion Tank 2.0 Gallons
    AMTROL
    AMTROL 15-PRO(435339) Radiant Extrol Radiant Flooring Expansion Tank 2.0 Gallons
    SKU: 15-PRO(435339)
    Product DescriptionThe AMTROL Radiant Extrol Radiant Flooring Expansion Tank, MPN 15-PRO(435339), holds two gallons of water and is designed for radiant heating systems. Designed for radiant heating and cooling. Compact size: Eight inches in diameter and thirteen inches high. Features a one-half inch NPTM...
    $96.31
    $96.31
  • Amtrol 30-PRO(435340) Radiant Extrol Radiant Flooring Expansion Tank 4.4 Gallons
    AMTROL
    Amtrol 30-PRO(435340) Radiant Extrol Radiant Flooring Expansion Tank 4.4 Gallons
    SKU: 30-PRO(435340)
    Product Description The Amtrol Radiant Extrol Radiant Flooring Expansion Tank, model 30-PRO(435340), is designed for use in residential and light commercial applications. This tank holds four point four gallons and features a diameter of eleven inches and a height of sixteen inches. It has...
    $106.73
    $106.73
  • Amtrol ST-5C Therm-X-Trol Thermal Expansion Tank 150 PSI 2 Gal
    AMTROL
    Amtrol ST-5C Therm-X-Trol Thermal Expansion Tank 150 PSI 2 Gal
    SKU: ST-5C
    Product DescriptionThe Amtrol ST-5C is a thermal expansion tank designed for water heater systems. This two-gallon tank helps manage pressure fluctuations in plumbing systems, enhancing safety and performance. ASME certified for reliable use. Rated for a maximum pressure of 150 PSI. Helps extend the...
    $1,117.67
    $1,117.67
  • Amtrol ST-5C-DD 3/4 NPT Connection 0.9 Gallons Max Acceptance
    AMTROL
    Amtrol ST-5C-DD 3/4 NPT Connection 0.9 Gallons Max Acceptance
    SKU: ST-5C-DD
    Product DescriptionThe Amtrol ST-5C-DD is an in-line thermal expansion tank designed to manage pressure in closed water systems. This tank helps control the pressure build-up that can occur in hot water systems. The tank accepts expanded water and returns it to the system when...
    $1,431.61
    $1,431.61
  • Amtrol ST-12C Therm-X-Trol Thermal Expansion Tank 150 PSI 6.4 Gallon
    AMTROL
    Amtrol ST-12C Therm-X-Trol Thermal Expansion Tank 150 PSI 6.4 Gallon
    SKU: ST-12C
    Product DescriptionThe Amtrol ST-12C is a Therm-X-Trol thermal expansion tank designed for systems operating up to 150 PSI. This expansion tank has a capacity of six point four gallons, making it suitable for residential water heater systems. It helps absorb excess pressure in your...
    $1,277.34
    $1,277.34
  • Amtrol EX-90 Extrol EX Series Boiler System Expansion Tank, In-Line, Bladder-Type, 14 Gallons
    AMTROL
    Amtrol EX-90 Extrol EX Series Boiler System Expansion Tank, In-Line, Bladder-Type, 14 Gallons
    SKU: EX-90
    Product DescriptionThe Amtrol EX-90 is a boiler system expansion tank designed for closed hydronic heating and cooling systems. It has a tank volume of fourteen gallons and features a bladder design for efficient moisture control. Precharged to twelve psi for optimal performance Operates at...
    $274.20
    $274.20
  • AMTROL ST-30V(390936) Therm-X-Trol Standard Thermal Water Heater Expansion Tank 11.3 Gallons
    AMTROL
    AMTROL ST-30V(390936) Therm-X-Trol Standard Thermal Water Heater Expansion Tank 11.3 Gallons
    SKU: ST-30V(390936)
    Product Description The AMTROL ST-30V(390936) is a Therm-X-Trol standard thermal water heater expansion tank designed to absorb excess pressure in hot water systems. This tank is suitable for both residential and commercial applications. It helps prevent damage to plumbing systems and improves overall system...
    $432.35
    $432.35
  • Amtrol ST-12C-DD 3/4 NPT Connection 3.2 Gallons Max Acceptance
    AMTROL
    Amtrol ST-12C-DD 3/4 NPT Connection 3.2 Gallons Max Acceptance
    SKU: ST-12C-DD
    Product DescriptionThe Amtrol ST-12C-DD is a thermal expansion tank designed for closed hot water systems. It is engineered to manage pressure build-up and enhance system efficiency. The Therm-X-Trol design allows this tank to accept expanded water and then return it to the system when...
    $1,869.95
    $1,869.95
  • Amtrol ST-30VC 14 Gallon - ST-30VC THERM-X-TROL 150 PSI ASME
    AMTROL
    Amtrol ST-30VC 14 Gallon - ST-30VC THERM-X-TROL 150 PSI ASME
    SKU: ST-30VC
    Product DescriptionThe Amtrol ST-30VC is a 14-gallon thermal expansion tank designed to manage water pressure in plumbing systems. This expansion tank operates at a maximum pressure of 150 PSI and meets ASME certification standards, ensuring reliability and safety for various applications. It is ideal...
    $1,575.40
    $1,575.40
  • Aprilaire 4311 Control Electrode
    AMTROL
    Aprilaire 4311 Control Electrode
    SKU: 4311
    Aprilaire 4311 Control Electrode
    $85.97
    $85.97
  • Amtrol 109-1 Fill-Trol Tank 1/2 NPTFAmtrol 109-1 Fill-Trol Tank 1/2 NPTF
    AMTROL
    Amtrol 109-1 Fill-Trol Tank 1/2 NPTF
    SKU: 109-1
    Product DescriptionAmtrol 109-1 Fill-Trol Tank is designed for use in closed, hydronic heating systems. It combines a boiler system expansion tank with an automatic fill valve to control system pressure. Eliminates need for separate automatic fill valve Strong tank design with deep drawn steel...
    $127.05
    $127.05
  • Amtrol 444-1 Purgers 1-1/4 Air Purger Replacement MPNAmtrol 444-1 Purgers 1-1/4 Air Purger Replacement MPN
    AMTROL
    Amtrol 444-1 Purgers 1-1/4 Air Purger Replacement MPN
    SKU: 444-1
    Product DescriptionThe Amtrol 444-1 is an efficient air purger designed to remove dissolved air from hot water heating systems. This product ensures that your heating system operates smoothly by venting air automatically through its float mechanism. Its robust construction allows for a durable and...
    $57.88
    $57.88
  • Amtrol SX30V Floor Mount Expansion
    AMTROL
    Amtrol SX30V Floor Mount Expansion
    SKU: SX30V
    Product DescriptionThe Amtrol SX30V is a floor mount expansion tank designed for various plumbing applications. This tank is part of the Therm-X-Trol series and is ideal for residential and commercial use. Designed for floor mounting 1-inch NPTF connection Ships via ground transportation Product HighlightsThe...
    $336.10
    $336.10
  • Amtrol 399332 CHAMPION CH10050 CH Series Vertical Diaphragm Well Tank, 44 gal Capacity, 0.77 Acceptance
    AMTROL
    Amtrol 399332 CHAMPION CH10050 CH Series Vertical Diaphragm Well Tank, 44 gal Capacity, 0.77 Acceptance
    SKU: 399332
    Product DescriptionThe Amtrol 399332 is a CHAMPION CH10050 vertical diaphragm well tank. This tank is designed with a capacity of forty-four gallons and supports pressure up to one hundred twenty-five psi. It is suitable for controlling pump cycling in residential well water systems, providing...
    $1,026.75
    $1,026.75

About Amtrol

AMTROL was founded in 1946 on the premise that innovation, quality and service will be rewarded with customer loyalty and support. In 1954, we revolutionized the hydronic industry when we introduced EXTROL®, the world’s first pre-pressurized diaphragm expansion tank. Throughout our history, AMTROL has been the world leader in the design and operation of the vital mechanical systems that are used to control hydronic heating and to store potable water.

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