Supco SIG104 Furnace Hot Surface Igniter 40-100 Ohms 4 Amp 120V Silicon Carbide

The Supco SIG104 is an exact replacement silicon carbide round igniter designed for furnaces, pool heaters, unit heaters, and water heaters. This hot surface igniter offers an efficient, stronger, reliable silicon carbide design that provides superior performance and durability.

Key Features:

• 18 gauge copper high temperature fiberglass insulated lead wires for reliable connections
• Reaches 1800°F in less than 17 seconds at 120 VAC for fast ignition
• Faster time to temperature response compared to standard igniters
• Higher resistance to oxidation and longer usable life
• Stronger, more durable design that is more robust in transit
• Made in the United States

Specifications:

• Voltage: 120 VAC
• Amperage: 4 amps maximum at 132 VAC
• Cold Resistance: 40-100 Ohms at 75°F ±10°F
• Material: Silicon Carbide
• Operating Temperature: 1800°F minimum

This igniter replaces Nordyne 9031100 and is compatible with numerous OEM part numbers including Lochinvar PLT2400 and Glow Core 1950006. The universal design makes it a cost-effective replacement solution for many furnace brands requiring a hot surface ignition system.