Fuel-Gas Vent Terminations
The type of venting materials used for fuel-gas vent terminations depends on the operating characteristics of the
appliance being vented. Appliances can be characterized with respect to:
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Connectors should be used to connect an appliance and equipment to the vertical chimney or vent, except were the
chimney or vent is attached directly to the appliance. The vent connector should be as short as practical, and the
appliance should be located as close as practical to the chimney or vent.
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Each piece of equipment and appliance should be provided with a shut-off valve which is separate from the appliance
to permit maintenance, repair, replacement and temporary disconnection. The shut-off valve should be adjacent to the
appliance, no farther away than 6 feet, conspicuously located, and within reach.
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Most fuel-gas appliance manufacturers require the installation of a sediment trap. Sediment traps prevent debris from
entering the gas controls and causing hazardous malfunctions.
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Tanks should be listed and labeled, and conform to standards for underground and above-ground tanks. The maximum
amount of fuel oil stored above ground or inside a dwelling should be 660 gallons (2,498 L). The cross-connection of
two tanks is permitted if the total aggregate capacity does not exceed 660 gallons. Gravity flow from one tank to
another is permitted, provided that the two tanks are on the same horizontal plane. 14.1.1 Inside and
Outside
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