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Page 3
Parts Arrangement
FIGURE 1
Control Box
(includes integrated control,
interlock switch and transformer)
Gas Valve
Burner Box
(includes sensor, ignitor
and rollout switches)
Combustion Air Inducer
Combustion Air Inducer
Pressure Switch
Heat Exchanger
Upper Access Panel
Blower Access Panel
Primary Limit
(under
combustion
air inducer)
Make−Up Box
Secondary Limits
Blower Assembly
Power Choke
(4 and 5 Ton Only)