1. Apply pipe dope sparingly to both ends of pipe nipple (provided in kit) and install nipple in 1/8-in. tapped opening in gas valve. Finger
tighten. (See Fig. 8.)
2. Apply pipe dope sparingly to threaded end of street elbow (provided in kit) and install elbow on nipple. Finger tighten. Use a small pipe
wrench for final tightening.
3. Point male end of street elbow vertically up. (See Fig. 8.)
4. Install propane low gas pressure switch (provided in kit) on street elbow. After switch has been finger tightened, use small wrench on base
of pressure switch for final tightening. When pressure switch is tight, switch terminals should point as shown in Fig. 8 relative to gas valve
and clear control compartment access door.
5. Apply pipe dope sparingly to end of inlet gas pipe and reconnect pipe to gas valve.
Fig. 3—Redundant Automatic 2-Stage Gas Valve
A99218
ON
O
F
F
ON/OFF
SWITCH
INLET
PRESSURE
TAP
BURNER ENCLOSURE
REFERENCE PRESSURE TAP
(VARIABLE-SPEED, CONDENSING
FURNACES ONLY)
MANIFOLD
PRESSURE
TAP
LOW-FIRE
ADJUSTMENT
ALLEN SCREW
(UNDER CAP)
HIGH-FIRE
ADJUSTMENT
ALLEN SCREW
(UNDER CAP)
PLUG BUTTON
(2-STAGE AND
VARIABLE–SPEED,
NON–CONDENSING
FURNACES ONLY)
Fig. 4—Position of Ignitor to Burner
A93347
BURNER
IGNITOR
11 32
"
7 8
"
C
L
C
L
IGNITOR
ASSEMBLY
CELL
PANEL
BURNER
13 32
"
HOT
SURFACE
IGNITOR
ASSEMBLY
—5—
