Nfpa 211 Standard For Chimneys, Fireplaces, Vents, And Solid Fuel-Burning Appliances

Front 1

All minimum dimensions specified in this standard are:

Back 1

Actual unless otherwise stated.

(1.5 Dimensions)

Front 2

Nominal dimensions shall be permitted to vary from their specified dimensions by no more than:

Back 2

1/2 in (12.7 mm)

(1.5 Dimensions)

Front 3

Official Definitions:

Approved.

Back 3

Acceptable to the authority having jurisdiction. (AHJ)

(3.2.1)

Front 4

Official Definitions:

Authority Having Jurisdiction (AHJ).

Back 4

An organization, office, or individual responsible for enforcing the requirements of a code or standard, or for approving equipment, materials, or installation, or a procedure.

(3.2.2)

Front 5

Official Definitions:

Listed.

Back 5

Equipment, materials, or services included in a list, published by an organization, stating that either the equipment, material or service meets appropriate designated standards, or has been tested and found suitable for a specified purpose.

(3.2.4)

Front 6

Official Definitions:

Shall.

Back 6

Indicates a mandatory requirement.

(3.2.5)

Front 7

Official Definitions:

Should.

Back 7

Indicates a recommendation, or that which is advised, but not required.

(3.2.6)

Front 8

General Definitions:

Accessible. (for Inspections)

Back 8

Capable of being exposed for inspection, maintenance, or repair without damage to the chimney or building structure or finish, but which may require the removal of doors, panels, or coverings using commonly available tools.

(3.3.1)

Front 9

General Definitions:

Nonresidential Appliance.

Back 9

A commercial, industrial, or institutional appliance needing a chimney capable of withstanding, a continuous flue gas temperature not exceeding 1400°F.

(3.3.4.6)

Front 10

General Definitions:

Ash.

Back 10

The solid residue that remains after combustion is complete.

(3.3.8)

Front 11

General Definitions:

Barometric Draft Regulator.

Back 11

A device built into a fuel burning, appliance, or made a part of a chimney connector that functions to reduce excessive draft through an appliance to a desired value by admitting ambient air into the appliance chimney or chimney connector.

(3.3.13)

Front 12

General Definitions:

Boiler.

Back 12

A closed vessel, in which water is heated steam is generated, steam is super heated, or any combination thereof by the application of heat from combustible fuels in a self-contained or attached furnace.

(3.3.14)

Front 13

General Definitions:

Readily Accessible (for Inspections).

Back 13

Exposed or capable of being exposed for operation, inspection, maintenance or repair without the use of tools to open or remove doors, panels or coverings.

(3.3.1.1)

Front 14

General Definitions:

Accessory.

Back 14

Supplementary part or device, added to an appliance to make it more useful, versatile, attractive, and so forth.

(3.3.2)

Front 15

General Definitions:

Combustion Air.

Back 15

The air necessary to provide for the complete combustion of fuel, and usually consisting of primary air, secondary air and excess air.

(3.3.3.1)

Front 16

General Definitions:

Appliance.

Back 16

Any device that utilizes a fuel to produce light, heat, power, refrigeration, or air conditioning.

(3.3.4)

Front 17

General Definitions:

Direct Vent Appliance.

Back 17

A system, consisting of an appliance, combustion air and fuel gas connections between the appliance and the outside atmosphere. All air for combustion is obtained from the outside atmosphere, and all fuel gases are discharged to the outside atmosphere.

(3.3.4.2)

Front 18

General Definitions:

Solid Fuel-Burning Appliance.

Back 18

A chimney-connected device that burns solid fuel designed for purposes of heating, cooking, or both.

(3.3.4.3.2)

Front 19

General Definitions:

Pellet Fuel-Burning Appliance.

Back 19

A closed combustion pellet vent or chimney-connected solid pellet fuel-burning appliance incorporating a fuel-feed control mechanism.

(3.3.4.3.1)

Front 20

General Definitions:

Residential-Type Heating Appliance.

Back 20

Fuel burning appliances, not including high pressure steam boilers that are mainly used in residences, but that might be used in other buildings and that do not produce continuous flue gas temperatures exceeding 1000°F.

(3.3.4.4.3)

Front 21

General Definitions:

Appliance Casing (or Jacket).

Back 21

An enclosure forming the outside of the appliance.

(3.3.5)