TWO-STAGE
GAS VALVE
3/4" NPT GAS
INLET
CONNECTION
DRAFT INDUCER
ASSEMBLY
DRAFT INDUCER
MOTOR
MOTOR SUPPORT
BRACKET
WIRE HARNESS
TO JB/IGNITION
CONTROL
Fig. 96 — Gas-Fired Duct Furnace Components
MODULATOR VALVE
(MODULATING SYSTEMS ONLY)
CONDENSATE DRAIN
FITTING
113
AIR PRESSURE
SWITCH
FLAME ROLLOUT
SWITCH
FLAME SENSOR
HI LIMIT SWITCH
MANIFOLD
PRESSURE TAP
SPARK IGNITER
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