Hot surface ignition

Heating · Mid- and High-Efficiency Furnaces · printed page 132 (PDF page 133)

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Book index entries

Hot Surface Ignition Ignition – Hot Surface Mid Efficiency Gas Furnace – Mid Efficiency Mid Efficiency – Gas Furnace

Text in the illustration

gas
ribbon burners
manifold
silicon carbide igniter
heats to 2500°F
note: crossover igniters omitted for clarity

Generated explanation

The illustration shows a gas furnace ribbon-burner assembly supplied by a common gas manifold, with flames along the burners. A hot-surface igniter is positioned beside one burner and highlighted with a magnified detail. The detail shows the slotted silicon carbide igniter element, its base, and two electrical leads; the annotation states that it heats to 2500°F. A note indicates that crossover igniters are omitted for clarity.

Components

ribbon burners gas manifold hot-surface igniter igniter electrical leads

Materials

silicon carbide metal