Heater Component Function
Base
Sheet metal case platform used to support and stabilize
burner and barrel assemblies.
Burner
Component at which combustion of fuel gases takes place.
Burner Orifice
Brass metering device used to feed gas to burner at a
specific rate, with the appropriate pressure.
Case Barrel (w/ Top)
Upright sheet metal case component. Acts as a chimney to
distribute heat to surrounding area.
Direct Spark Ignition Control
Electronic circuit board which sends and receives voltages in
an automatic ignition systems. An important safety feature is
that it will shut down the entire heater, thereby stopping the
flow of fuel gas if burner flame goes out.
Fuse
Safety device which is used to protect against an over
amperage condition resulting from a direct short or electrical
overload condition.
Gas Control Valve
Component that houses an electromagnet which is energized
by voltage and therefore opens or closes to supply or close off
the flow of gas to the burner.
Gas Hose
Flexible connector used to convey gas from supply line or
cylinder to heat.
Gas Regulator
The heart of any gas supply installation. Used to deliver a
working pressure to the appliance under varying conditions
in tank pressure.
Igniter/Flame Sensor Assembly
Assembly consisting of:
-- Spark Igniter: Electrical ignition device used on automatic
ignition control systems. Ignites gas by a spark.
-- Flame Sensor: Also known as a flame rod or flame probe,
this device works in conjunction with the ignition module
in proving that burner flame has been established.
On/Off Switch
Simple electrical device used to connect or disconnect
incoming voltage to the ignition control on the heater.
Voltage Regulator
Component responsible for insuring that 12 Volts D.C. is
constantly supplied to ignition control and solenoid valve
based upon incoming power supply of 24 Volts D.C.
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