fix · Nexgrill
Nexgrill 720-0864 igniter 720-0864 four-main spark ignition: replace the dead ceramic or the collector — match bend and lead to the 720-0864 schematic.
moderate PT1H \"720-0864\" \"720-0864M\" Updated 2026-09-04
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Igniter electrode gap at a burner port Ceramic insulator, metal tip aimed at a burner port. Spark gap about the thickness of a nickel. SIDE VIEW · ELECTRODE GAP burner tube ports ceramic lead tip spark gap ≈ nickel ~1.8–2.1 mm to a port Tip aims at a port, not the tube wall. Cracked ceramic = replace. Fig. — Electrode: ceramic, tip, burner port, ~nickel gap. Two AA cells in the side-table battery well Underside of the left side table. Two AA batteries, polarity stamped in the well. UNDERSIDE · LEFT SIDE TABLE side table (from below) BATTERY WELL AA − + + AA − Two AA cells. Polarity is stamped in the plastic. Reverse = no click. Corroded springs: dry brush, not oil. Then new alkalines. Fig. — Battery well under the side table. Two AAs. Match stamped polarity. 720-0864 spark problems are usually one ceramic or a dead collector battery, not every tube. Related heat/tube pages: 720-0864 plates , 720-0864 tubes . Hub: Nexgrill .
Procedure
Plate: 720-0864 / 0864M.
Tick test lid open.
Isolate the quiet burner.
Rule out gas with regulator reset if all burners are dark.
Replace the ceramic. Gap correctly.
Test.
Still dead: collector box / wires.
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FAQ
Same electrode as 0830H?
Often similar hose-clamp ceramics on HD 4-mains. Match the photo anyway.
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