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Heater component function – L.B. White 250 Norseman User Manual

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Heater Component Function

Burner

Cast iron component used to channel gas and provide an

area at which the fuel may ignite.

Burner Orifice

Brass metering device used to feed gas to burner at a

specific rate.

Gas Hose

Flexible connector used to convey gas from supply line in

building to heater.

Pilot Light Orifice

A metering device used to supply gas for the dual purpose of

igniting the main burner and heating the thermocouple.

Pilot Safety Control Valve

A gas control valve which is held open by electrical power

supplied by a pilot generator and which closes automatically

to shut off the flow of gas to the main burner when the pilot

flame is extinguished or becomes too small to light the main

burner.

Pilot Tube

Formed copper tube used to convey gas from the safety

control valve to the pilot light orifice.

Regulator

The heart of any gas supply installation. Used to deliver a

working pressure to the heater under varying conditions in

tank pressure.

Thermocouple

A thermoelectric device that converts heat energy directly

into electrical energy. Works in conjunction with the

electromagnet in the gas control valve thereby providing gas

supply for the pilot light.

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