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2
S UPP LY FAN
FILTER ACCESS
CONTROL PANEL
OUTS IDE AIR
INTAK E HOOD
CONDENSATE
DR AIN PAN
GAS SECTION
GAS VALVE
MODULATING
GAS VALVE
(OPTIONAL)
MAIN BURNER
SECTION
FLAME ROLLOUT
SWITCH
Fig. 1 — Typical Gas Section
Fig. 2 — Typical Gas Valve Location
a62-421
a62-423