Lennox LGT036 Installation Instructions Manual page 39

BURNER BOX ASSEMBLY
Single- and Two-Stage
REMOVE INDIVIDUAL BURNERS ON
OLDER UNITS; REMOVE THE ENTIRE
BURNER ASSEMBLY ON NEWER UNITS.
FLAME
SENSOR
BURNERS
GAS MANIFOLD
IGNITOR
FIGURE 27
IGNITOR
SPARK GAP
SHOULD BE 1/8"
(3mm)
FIGURE 28
LGT/LCT036, 048, 060, 072
GAS VALVE
Page 39
BURNER ORIENTATION
One- and Two-Stage Heat
150,000 BTUH - 7 BURNERS
SENSOR
108,000 BTUH - 5 BURNERS
SENSOR
65,000 BTUH - 3 BURNERS
SENSOR IGNITOR
FIGURE 29
IGNITOR
IGNITOR