Founded in 1946, and with manufacturing facilities in Rhode Island, Maryland, Kentucky and Portugal, Amtrol demands complete customer loyalty and support for their innovative, quality products and excellent service. A world leader in designing and operating vital mechanical systems for use in controlling hydraulic heating and storing drinking water, Amtrol revolutionized the hydraulic industry with the introduction of Extol expansion tank, the world’s first pre-pressurized diaphragm expansion tank. And, Amtrol continues to innovate in the manufacture of water heaters, pressure boosters, well tank and chemical containers that are produced and marketed by it. Stringent quality standards and keeping apace of new technological advances, Amtrol has been rewarded with an ISO 9001 certification for manufacturing HVAC related products for residential, commercial and industrial markets, including water system solutions for storage, treatment, heating, expansion and flow control.

Amtrol Extrol Expansion Tanks

In 1954, Amtrol designed its first Extrol expansion tank, and thereby redefined hydraulic heating systems. Ever since its inception five decades ago, Amtrol’s pre-pressurized, diaphragm design for its range of Extrol expansion tanks, Extrol has become a world leader of expansion tanks. Used in closed systems that re-circulate the same fluid over and over again, Extrol expansion tanks are the most used tanks for radiant and hydraulic heating, as well as, water heating used in open and closed loop hydraulic / radiant systems. Consisting of a closed system for long lasting efficiency and life term, Extrol expansion tanks are designed for controlling system pressure and reducing energy consumption in heating and refrigeration operations.

In order to meet the huge demand internationally for Extrol expansion tanks, Amtrol operates a distribution centre for selling expansion tanks to faithful customers in Canada, Europe and Asia.