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Nexgrill 720-0783E burner tubes

720-0783E four-main tubes often share the 14-7/8 × 1-inch class with 720-0830H. Confirm inlet style and measure before installing a universal kit.

moderate PT1H45M \"720-0783E\" Updated 2026-09-04

Clean versus clogged burner ports Left tube shows even open ports and a blue flame sketch. Right tube shows grease-clogged ports and a yellow uneven flame. BURNER TUBE · PORTS CLEAN Even blue cones. Every port open. CLOGGED Grease in the holes. Yellow, lift, dead spots. Ream with a bit smaller than the port. Do not drill oversized. Brass brush the row. Keep liquid out of the venturi / inlet. If the tube wall is lace under the ports, replace the set — do not patch holes.
Fig. — Burner tube: clean ports (left) versus clogged ports (right).
Top-down gas firebox layers Cooking grates on top, inverted-V flavorizer bars over the burner tubes, electrode at the left tube. TOP DOWN · GAS FIREBOX 1 cooking grates 2 flavorizer bars 3 burner tubes + ports 4 electrode (left tube) LAYERS (top → bottom) 1 Grates — food sits here 2 Flavorizer / heat tents 3 Burner tubes + ports 4 Electrode at left port Lift grates, then tents, to reach tubes. Gas off.
Fig. — Firebox, top down: grates, flavorizer bars, burner tubes, electrode.

Four-main 720-0783E kits frequently cross to the same ~14-7/8” × 1” tube class as 720-0830H. Dry-fit the inlet over the orifice and the rear pin. Short “universal” tubes flash back.

Related: 720-0830H tubes. Hub: Nexgrill.

Procedure

  1. Photograph 720-0783E.
  2. Measure length and diameter.
  3. Tank off. Remove grates/tents.
  4. Replace perforated tubes.
  5. Dry-fit four tubes.
  6. Soap. Lid open. Light each.
  7. Flashback → tube not seated on orifice.
  8. Port cleaning if metal is sound but yellow.

FAQ

Reuse the 0830H verified four-pack?

Only after measuring. If length/diameter match and the listing names 0783E, it can be the same class.

Not affiliated with Nexgrill.

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