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120V Gas Furnace Ignitor: The 41-409 delivers dependable ignition to furnaces as well as boilers, rooftop heaters, infrared burners, unit heaters, water heaters and other HVAC equipment at 120V; Reaches ignition temperature within 17 seconds
Durable Construction: Made from high-purity Crystar recrystallized silicon carbide, known for its physical and thermal strength; C-style ceramic block with 5-1/4-inch lead wire length; 093/1000-inch male pin connector and a D-Type terminal connector
Electrical Protection: Embedded and metalized 18-gauge nickel chrome lead wires provide maximum holding strength and reliable electrical conductivity; Enclosed in high-temperature fiberglass insulation for strong electrical protection
Quality Warmth: Robertshaw makes reliable controls and replacement parts for furnaces, water heaters, burners and boilers, including thermostats, switches, ignitor and heat pump controls, gas valves, and more

The Robertshaw® Carbide Series Hot Surface Ignitors deliver dependable ignition in heating systems of every description: furnaces, boilers, rooftop heaters, infrared burners, unit heaters, water heaters, and many other types of HVAC equipment. Features and Benefits Made from high-purity recrystallized silicon carbide. (Crystar™) which combines physical and thermal strength with stable electrical properties. Designed to reach ignition temperature(s) within 17 seconds. Have 18-gauge nickel chrome lead wires embedded and metalized in place for maximum holding strength and electrical conductivity. Manufactured with lead wires enclosed in a special high-temperature fiberglass insulation providing electrical protection. Operate at 120V AC. Some modules are rated for 208/240V input, however, the voltage to the ignitor is stepped down to 120V AC.