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NOTE: Install all wiring according to local and national electrical codes and ordinances
Ignitor
bracket
hole
Ignitor
mounting
bracket
hole #1
Fig. 1: New
Fig. 2: New ignitor
ignitor –
789A-751A1
1. Disconnect electrical power.
2. Disconnect wires from gas valve, flame sensor and
hot surface ignitor.
3. Locate old ignitor and remove the screw that
secures old ignitor mounting bracket to the burner
assembly.
a. Note: some applications may require the
burner assembly to be removed first.
b. Take note of location of old ignitor.
4. Remove old ignitor mounting bracket from burner
assembly.
5. Attach new ignitor to new ignitor mounting bracket,
screwing into the ignitor bracket hole (Fig. 1 & 2)
using one of two screws provided.
a. See Fig. 3 for correct assembly orientation.
Ignitor mounting
Fig. 5: Flame-side view of ignitor in correct position
Emerson and White-Rodgers are
trademarks of Emerson Electric Co.
©2019 Emerson Electric Co.
All rights reserved.
Ignitor
mounting
bracket
hole #2
Ignitor bracket
hole
mounting bracket
bracket
TECHNICAL SUPPORT: 1-888-725-9797
emerson.com/white-rodgers
Fig. 3: New
ignitor and
mounting
Fig. 4: New ignitor and mounting
bracket
bracket installed into burner
assembly
6. Install new ignitor and mounting bracket assembly
in same location as noted in 3b.
7. Secure new ignitor mounting bracket to the burner
assembly by placing the remaining screw through
the correct ignitor mounting bracket hole (Fig. 2).
a. The use of hole #1 or hole #2 will depend on
burner assembly
i. See Fig. 5 for correct location of ignitor
blade on flame side
8. Verify ignitor is in the correct position (see Fig. 5
and 6).
9. Re-attach burner assembly if necessary.
10. Use adapter harness to connect new nitride ignitor
to furnace control board harness.
Top burner
support
Bottom
burner
789A-751A1
support
Ignitor
Fig. 6: Gas-side view of ignitor in correct position
INSTALLATION
Bottom burner
support
assembly
Burner #3
Burner #2
Burner #1
Ignitor mounting bracket
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