Air
Supreme Filter
Cleans room air when blower is operating
Blue Flame Rectification
Safety shut-off device. Proves the flame and the control center
maintains the gas flow.
BTU Unit to measure heat. Stand for "British Thermal Unit"
Burner
Device for the final conveyance of gas or a mixture of gas and air to
the combustion zone.
Burner Ports
Holes in the burner
Carbon Dioxide
A gas which is product of combustion resulting when carbon units with
sufficient oxygen to produce complete combustion. Carbon dioxide is a
component of many natural gases.
Carbon Monoxide
A poisonous, combustible gas formed by incomplete combustion of carbon
or reduction of carbon dioxide.
Catalytic Combustor
A device used on some wood burning stoves to reduce the temperature at
which smoke is ignited.
CFM
A measure unit for air flow. Stand for Cubic Feet per Minute.
Indication for the strength of the fun.
Chimney
One or more passageways, vertical or nearly so, for conveying flue
gases or vent gases to the outside atmosphere. See also: gas vent, vent,
and venting system.
Circulation Fun
A Fun installed in a Fireplace that help to heat a home by force the
Hot air to circulate around.
Clearance
The distance required by building and fire codes between stove, smoke
pipe or chimney and combustible materials such as wood furniture or
carpets. Clearances must be obeyed even if the combustible materials,
such as wood furniture or carpets, are protected by noncombustible
plaster or other masonry materials.
Creosote
A very flammable by-product of combustion that can buildup within the
smoke pipe and chimney and then ignite, causing "chimney-fire".
Damper
A device used to reduce or close the opening between the firebox and
flue.
Decorative Front
Fixed mesh screen front placed in front of glass panel for aesthetics
and safety. Installed on all direct vent fireplaces.
Decorative Gas Appliance for Installation in a Vented Fireplace
A self-contained, free-standing fuel-gas burning appliance designed for
installation only in a vented fireplace and whose primary function lies
in the aesthetic effect of the flame.
Direct Spark Ignition
A type of electronic pilot ignition. It ignites the gas directly at the
burner from a spark.
Direct Vent Wall Furnace
A system consisting of an appliance, combustion air and flue gas
connections between the appliance and the outside atmosphere, and a vent
cap supplied by the manufacturer and constructed so that all air for
combustion is obtained from the outside atmosphere and all flue gases
are discharged to the outside air.
Draft Hood/Draft Diverter
A device built into an appliance or made a part of the flue or vent
connector from an appliance, which is designed to
- Provide for the ready escape of the product of combustion (flue
gas) from the combustion chamber in the event of no draft, back
draft, of stoppage beyond the draft hood;
- Prevent a back draft from entering the combustion chamber of the
appliance;
- Neutralize the effects of stack action of the chimney or gas vent
upon the operation of the appliance.
Electronic Ignition System
A device to light the burner or pilot that requires electrical current
but not a match.
Emissions
By-products of combustion vented out of the home.
Factory-Built Chimney
A chimney composed of listed factory-built components (usually
stainless steel and galvanized steel) that is easy to assemble to form
the completed chimney. They conform to safety and building codes. They
are air cooled or insulated. Designed to remove combustion by-products.
Firebacks
Protect fireplace masonry and mortar, shielding them from extreme heat
of the flames. Cast-iron firebacks store heat from the fire and radiate
it into the room after the fire has died down. Firebacks work just as
well in a modern gas fireplace as they do in a traditional wood burning
one.
Fireplace Insert
A type of decorative appliance consisting of an open-flame radiant-type
appliance mounted in a decorative metal panel to cover the fireplace or
mantel opening and having provisions for venting into the fireplace
chimney.
Firestops
Devices of noncombustible material that seal any openings separating
floors so that smoke or fire can not penetrate from one level to
another.
Flue
Vent or chimney for a combustion device.
Freestanding Stove
A heating appliance normally on legs or a pedestal that occupies an
area roughly equal to that of an easy chair.
Flue Collar
Ring on appliance designed for the attachment of the draft hood, vent
connector or venting system, that determines the size of the vent.
Gas Cock Assembly
Also called valve control, a part of the combination valve that is a
multi-positioned and tapered valve. When in the "on" position,
it allows for the flow of gas to the burner. In the "off"
position, it shuts off the gas supply to the appliance.
Gas Log
An open flame type appliance consisting of a metal frame or base
supporting simulated logs.
Gas Vent
A factory-made vent for venting listed gas appliances with draft hoods
and other gas appliances. Special Vents: vent system designed for flue
gases that do not rise easily. They are composed of two types: sealed
combustion vents and power exhauster vents. Type B gas vent:
double-walled vent with a relatively low permissible temperature for
venting gas in gas appliances only.
Glass Doors
Close off the opening of the hearth so heat from the central heating
system does not escape up the chimney when the fireplace is not being
used.
Glass Panel
Provides safety and energy efficiency to gas fireplaces.
Grate
An iron frame used to hold burning fuel in a fireplace.
|
Hearth
Traditionally refers to the floor of a fireplace on which a blaze is
built. Today it is also used to refer to all the devices and equipment
used in connection with the fireplace and stove industry.
Heat Shield
A non-combustible protector used around appliances, smoke pipe or
chimney.
Hopper
A container attached to an appliance in which fuel, either coal,
nuggets or wood pellets, is stored and from which the fuel is fed to the
burner.
Hot Surface Igniter
A type of electronic ignition system.
Ignition Systems
Devices that ignite the pilot burner and/or the main burner assembly.
Junction Box
Wire to 110 VAC for optional remote control or blower. Wire 110 for HSI
units.
Limit Switch
Devices constructed of bimetallic material that react to excessive
temperature in an appliance and shut down the gas flow to it. They break
or stop the flow of electricity and prevent the operation of the gas
appliance.
Liquefied Petroleum Gas (lp gas, sometimes called lpg)
Colorless, odorless and non-toxic gas. It is separated from wet natural
gas, light crude oil and oil-refinery gases.
Main Gas Burner
Device for the final conveyance of gas or a mixture of gas and air to
the combustion zone. The gas burners in gas-burning appliances are made
of either aluminized steel or stainless steel. They come in many
different styles.The parts of the main burner include: the burner
orifice, a mixing tube, and the burner head.
Manifold Pressure
The amount of wc inches that can be supported by different types of
gas: the manifold pressure for natural gas is 3.5" wc and for LP
gas the manifold pressure is 11" wc.
Mantel
An ornamental facing surrounding the fireplace or simply a shelf above
a fireplace.
Metal Liner
Used primarily with fireplace inserts and placed inside an existing
chimney (usually masonry) to reduce the diameter of the flue for more
rapid exit of smoke and combustion gases. Also used when an existing
chimney is unlimited or deteriorating.
Millivolt
A unit of electromotive force equal to one thousandth of a volt.
National Fuel Gas Code
A standard for the installation of gas hearth appliances to be used in
the absence of local codes.
Natural Draft (B-vent) Appliance
An appliance that takes in combustion air from the home and vents
products of combustion outside of the home.
Natural Gas (NG)
Colorless, highly flammable gas consisting mainly of methane. A highly
popular gas because of its flammability and high energy value. This
naturally occurring mixture of hydrocarbon and non-hydrocarbon gases is
found in porous geologic formations beneath the earth's surface, often
in association with petroleum.
Orifice
The opening in a cap, spud or other device whereby the flow of gas is
limited, and through which the gas is discharged to the burner.Two types
of orifices include main burner orifices and pilot burner orifices. Main
burner orifice: either a plug or cap type.
Oxygen Depletion Sensing Device
This device on a spill switch senses the lack of oxygen and shuts down
the electrical flow, shutting off the appliance.
Pellets
Are made of 100% wood sawdust with no additives. The sawdust in pellets
is a manufacturing by-product otherwise destined for landfills.
Piezo Starter
Red button that places pressure on the crystal in the standing pilot
system.
Pilot
A small flame used to ignite the gas at the main burner.
Propane
A liquefied petroleum gas (see LPG) containing more heat value than
natural gas. It is colorless, odorless and non-toxic.
Regulator
Usually it is a part of the combination valve. It reduces the pressure
to the appropriate level for the type of gas used in the appliance.
Sealed Combustion Vent
A type of double-walled special vent supplied by the manufacturer that
normally vents through a side wall in a horizontal position. The inner
surface removes the flue gases and the outer container provides for
passage of combustion air.
Seasoned
Refers to fuel wood that has been allowed to dry before burning.
Seasoning generally takes six to twelve months. Wood burns much easier
when its moisture content has been reduced. Freshly cut wood contains
over 20 percent water.
Standing Pilot Ignition
A means to light the main gas burner through the use of a standing
pilot light.
Therm
A unit of heating value equivalent to 100,000 British thermal units
(BTUs).
Thermo Sensor
Automatically turns blower on and off.
Top Vent Fireplaces
A gas appliance that vents off the top of the unit using a type B-vent,
provision for outside air.
Unvented or Vent-Free
An appliance that draws combustion air from inside the home. The
appliance is designed to burn so efficiently that it eliminates the need
for venting.
Vent-Free
Gas appliance that has no need for a flue.
Vented Wall Furnace
A self-contained vented appliance complete with grills or equivalent,
designed for permanent attachment to the structure and furnishing heated
air by gravity or fan.
Venting
To provide an exit. In gas appliances, venting is used to distribute
air through a specific environment to maintain temperature there and to
remove dangerous combustion by-products.
Venting System
A continuous open passageway from the flue collar or draft hood of a
gas-burning appliance to the outside atmosphere for the purpose of
removing flue or vent gas. It is usually composed of a vent or a chimney
and vent connectors assembled to form the open passageway.
Wall Thermostat
A heat sensitive electrical switch that maintains the temperature and
controls the on-off action of the heat source. NOTE: thermostats should
only be used with gas appliances that have been tested and listed for
use with thermostats. |
