Parts Arrangement
Make-Up Box
Heat Exchanger
Combustion Air Inducer
Combustion Air Inducer
Pressure Switch
Burner Box
(includes sensor, ignitor
and rollout switches)
Gas Valve
Primary Limit
Control Box
(under
(includes integrated control,
combustion
interlock switch and transformer)
air inducer)
Blower Assembly
Power Choke
(not on all models)
Figure 1.
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