Robertshaw 41-403 Furnace Hot Surface Igniter

Robertshaw 41-403 Furnace Hot Surface Igniter is a dependable replacement that delivers fast, reliable ignition for a wide range of heating systems. This Type Hot Surface Igniter uses recrystallized silicon carbide and 120 Volt AC operation to ensure durable performance across furnaces, boilers, rooftop heaters, infrared burners, unit heaters, and water heaters.

Designed for easy installation and long life, this igniter features a 2 inch base and a 5-1/2 inch lead wire, giving you flexible fit in many OEM configurations. It reaches ignition quickly, typically within 17 seconds, helping minimize downtime and maximize system efficiency.

• Base size: 2 inches
• Lead wire length: 5-1/2 inches
• Operating voltage: 120 VAC
• Ignition reach time: About 17 seconds
• Material: Recrystallized silicon carbide
• Compatible equipment: Furnaces, boilers, rooftop heaters, infrared burners, unit heaters, and water heaters

Engineered for reliability, the Robertshaw 41-403 delivers consistent starts and long service life in demanding heating environments, whether used by professionals or homeowners seeking an OEM-quality replacement.