| 摘要 |
A fuel enriched ignitor for a fuel gas burner appliance wherein a fuel enricher tube is provided with a coupling having a threaded insert which, by way of a metering orifice, matches the enricher tube to the particular fuel gas being used. By both two-element and three-element ignitors are disclosed. The ignitor is also illustrated in a gas supply system having a single main valve which serves both the enricher tube and the primary appliance burner.
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