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Amtrol

AMTROL was founded in 1946 on the simple concepts of innovation, quality and service. In 1954, we revolutionized the hydronic industry when we introduced EXTROL®, the world’s first pre-pressurized diaphragm expansion tank. This was followed in 1963 with the invention of the first pre-pressurized well tank and in 1967 with the invention of the refrigerant gas cylinder. AMTROL went on to invent the indirect fired water heater in 1980 and the thermal expansion tank in 1991. 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.

Today, AMTROL products include a comprehensive array of water system solutions for storage, treatment, heating, expansion and flow control serving the residential and industrial markets. Our products are manufactured in the USA at our ISO 9001:2015 facilities in Rhode Island and Maryland.

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Picture of ST-130-CL THERM-X-TROL 150# W.P.

ST-130-CL THERM-X-TROL 150# W.P.

AMTROL:169-5
SKU: AMTROL:169-5
$5,250.70
Picture of ST-165-CL THERM-X-TROL 150# W.P.

ST-165-CL THERM-X-TROL 150# W.P.

AMTROL:171-16
SKU: AMTROL:171-16
$5,436.90
Picture of ST-180V THERM-X-TROL

ST-180V THERM-X-TROL

AMTROL:148N118
SKU: AMTROL:148N118
$1,163.40
Picture of ST-180V-C THERM-X-TROL

ST-180V-C THERM-X-TROL

AMTROL:148-109
SKU: AMTROL:148-109
$5,640.60
Picture of ST-180V-C THERM-X-TROL NB 175# WP

ST-180V-C THERM-X-TROL NB 175# WP

AMTROL:148-168
SKU: AMTROL:148-168
$6,216.00
Picture of ST-180V-C THERM-X-TROL NB 250# WP

ST-180V-C THERM-X-TROL NB 250# WP

AMTROL:148-170
SKU: AMTROL:148-170
$6,836.20
Picture of ST-200-CL THERM-X-TROL 150# WP 10 BAR

ST-200-CL THERM-X-TROL 150# WP 10 BAR

AMTROL:191-34
SKU: AMTROL:191-34
$5,614.00
Picture of ST-200V THERM-X-TROL

ST-200V THERM-X-TROL

AMTROL:149-166
SKU: AMTROL:149-166
$1,227.80
Picture of ST-20V-C THERM-X-TROL 150 PSI ST-20V-C 150 PSI

ST-20V-C THERM-X-TROL 150 PSI ST-20V-C 150 PSI

AMTROL:141-009
SKU: AMTROL:141-009
$2,380.70
Picture of ST-20V-C THERM-X-TROL 175 PSI ST-20V-C 175 PSI

ST-20V-C THERM-X-TROL 175 PSI ST-20V-C 175 PSI

AMTROL:141-010
SKU: AMTROL:141-010
$2,618.70