Robertshaw 41-401 Furnace Hot Surface Igniter

Robertshaw 41-401 Furnace Hot Surface Igniter delivers dependable ignition for furnaces, boilers, rooftop heaters, infrared burners, unit heaters, and water heaters. This hot surface igniter uses recrystallized silicon carbide and operates at 120V AC, delivering ignition in about 17 seconds for fast, reliable startup in residential and commercial systems. Built for lasting performance in tough environments, it combines durability with consistent ignition results.

Designed for broad compatibility, the igniter features a 1-5/8 inch base, a 4-1/2 inch lead wire, and a 1/2 inch terminal connector. A gasket is included to ensure a tight seal and reduce air leakage, helping maintain efficient operation and prolonging system life.

With its recrystallized silicon carbide construction, this igniter heats quickly and provides reliable performance across a range of heating appliances. The 120V AC design matches standard electrical systems, while the gasket ensures a tight seal for safe operation and reduced startup drafts. Its durable build supports long service life in demanding environments, making it a versatile replacement part for many furnaces and boilers.

• Type: Hot Surface Igniter
• Applications: Furnace, Boiler, Rooftop Heater, Infrared Burner, Unit Heater, Water Heater
• Base Size: 1-5/8 Inch
• Lead Wire Length: 4-1/2 Inch
• Terminal Connector Type: 1/2 Inch
• Operating Voltage: 120 Volt AC
• Ignition Time: 17 Seconds
• Material: Recrystallized Silicon Carbide
• Includes: Gasket