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MODEL 235, 350, 500 HEATER COMPONENTS IDENTIFICATION
LOUVERS (HOT AIR OUTLET) (LOUVERS ARE NOT USED WITH DUCTED MODELS)
FAN CONTROL (OFTEN CALLED FAN LIMIT SWITCH)
ELECTRICAL AND FAN RELAY JUNCTION BOXES
VIEW PORT HINGED BURNER MOUNT CLEANING ACCESS PANEL
FAN OPENING
STACK COLLAR EXCHANGER CLEANING ACCESS PANEL