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  • PRODUCT LITERATURE (1)
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  • FILL-TROL®



    The AMTROL FILL-TROL® system consists of a specially adapted EXTROL® pre-pressurized, diaphragm-type expansion tank, and the FILL-TROL, a specially designed, automatic, fill valve.

    • Provides accurate system make up
    • Eliminates need for a separate, automatic fill valve
    • Fully adjustable up to a maximum working pressure of 100 psig
    • Factory pre-charged to 12 psig; tank pressure controls system fill
    Boiler fill tanks

    Copyright 2014 AMTROL Inc. All rights reserved.