a device to convert fuel into energy, and including all components, controls, wiring, and piping required as part of the device by the applicable standard
boiler
an appliance intended to supply hot water or steam for space heating, processing or power purposes
burner
a device or group of devices forming an integral unit for the introduction of fuel, with or without air or oxygen, into the combustion zone for ignition
chimney
a primarily vertical shaft enclosing at least one vent for conducting flue gases to the outside atmosphere
combustion air
the air required for satisfactory combustion of fuel, including excess air
component
an essential part of an appliance that may be certified separately from the appliance
damper
a movable plate or valve for regulating the flow of air or flue gas
de-aerators
a device used for the removal of oxygen and other dissolved gases from the boiler feed water
decommission
take out of service, dismantle and make safe
dump zone
safety bypass that diverts the excess temperature and pressure in the heating system
forced air furnace
a furnace equipped with a blower which provides the primary means for circulation of air (refer to furnace)
fuel oil
kerosene or any hydrocarbon oil as classified in CSA Standard B140.0, General Requirements for Oil Burning Equipment
furnace
a space-heating appliance, using warm air as the heating medium, and usually having provision for the attachment of ducts
heat exchanger
the firebox and any auxiliary heat transfer surfaces within the casing of an appliance
ignition
establishment of a flame
incinerator
an appliance in which combustible wastes are ignited and burned
indirect water heater
a water heater which derives its heat from a heating medium such as warm air, steam or hot water
limit control
a safety control intended to prevent unsafe conditions of temperature, pressure or liquid level
make-up air
fresh air that is introduced to the furnace room to replace air that has been exhausted
manual damper
an adjustable damper manually set and locked in the desired position
piping
the fuel conduits of circular cross section that are of sufficient wall thickness and or suitable outside diameter for threading to Iron Pipe Size (IPS) Standards, and that are specified by nominal inside diameter (ID)
plenum
a chamber for distributing warm air from a furnace to the supply ducts (supply plenum), or for receiving air to be heated by the furnace (return plenum)
retrofit
to replace an obsolete or defective component for the purpose of updating the heating system
safety control
an automatic control of a safety control system that is intended to automatically prevent unsafe operation of the controlled equipment, and may include relays, switches and other auxiliary equipment and interconnecting circuitry
storage tank
a tank for the storage of fuel and from which the fuel-burning equipment is not intended to be fed automatically
tubing
fuel conduits of circular cross section that are not of sufficient wall thickness or of suitable outside diameter to permit threading to Iron Pipe Size (IPS) Standards, and are specified by outside diameter (OD)
valve
a device by which the flow of a fluid may be started, stopped or regulated by a movable part which opens or obstructs passage
vent
an enclosed passageway for conveying flue gases
venting
the removal of flue gases or vent gases to the outside air by means of building openings or venting systems
venting system
a system for the removal of flue gases or vent gases to the outside air by means of vent connectors, chimneys, gas vents or exhaust systems, natural or mechanical
water heater
an appliance intended for the heating of water for plumbing services
