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    Combination Vent/Overfill Alarm

    The 3" Fig. 922 Combination Pressure/Vacuum/Vent/Overfill Alarm alerts you when your AST is near full. It also allows the tank to breathe during filling and dispensing operations. It is equipped with a high intensity, "whistle" alarm which can be set by adjusting the cable length to float height. It is fully mechanical, with no wires or batteries needed. Vacuum Setting: 1 oz./in2. Minimum Fill Rate: 20 GPM
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    Picture of Vent Alarm, 3", 8 oz. pressure
    Vent Alarm, 3", 8 oz. pressure
    Vent, Combination / Overfill Alarm, 3IN, 8 Oz.
    SKU: MB922-0300AA
    $767.00 / EA
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    Picture of Vent Alarm, 3", 6 oz. pressure
    Vent Alarm, 3", 6 oz. pressure
    Vent, Combination / Overfill Alarm, 3IN, 6 Oz.
    SKU: MB922-0500AA
    $776.00 / EA
    i h
    Ship to

    DELAY MY SHIPMENT until all in-stock items AND backordered items are available in one warehouse before shipping. (You will receive only one freight bill if you choose this option).

    *

    Ship my in-stock items now, ship my backordered items when they become available. (You will be billed for each shipment).

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