Heater Component Function - L.B.White H-17 Manual Del Dueño

Manual Ignition Heaters

Heater Component Function

Air Housing
Secures safety control valve to venturi tube.
Also allows combustion air to be drawn in to
venturi tube with gas fl ow for combustion.
Burner Orifi ce
Metering device used to feed gas to emitter at
a specifi c fl ow rate.
Canopy
Refl ective stainless steel heat shield.
Gas Hose
Flexible connector used to convey gas from
gas supply line to inlet of heater.
Safety Control Valve
Safety shut off device used to feed fuel gas to
the emitter. Will shut off fl ow of gas completely
if gas fl ame is extinguished. Works in conjuc-
tion with the thermocouple. If the thermocouple
is defective, the magnet internal to the safety
control valve closes, shutting off all gas fl ow in
the heater.
H-17 • Radiant Heaters
Thermocouple
Safety device that holds the electromagnet
in safety gas control valve open when heat is
applied to thermocouple tip.
Venturi Tube
Tubular steel neck connecting the gas control
valve and burner orifi ces to the combustion
cones. Gas is fed to the emitter through the
venturi tube.
Owner's Manual • H-17
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