Robertshaw 41-408 Furnace Hot Surface Igniter

Robertshaw 41-408 Furnace Hot Surface Igniter is a high-performance Hot Surface Igniter designed for reliable ignition across furnaces, boilers, rooftop heaters, infrared burners, unit heaters, and water heaters. Made from recrystallized silicon carbide, this igniter delivers fast startup and long service life while operating on 120 Volt AC power. It features a 1-1/4 inch base, a 5 inch lead wire, and a 7/16 inch terminal connector, ensuring compatibility with many Robertshaw and compatible HVAC systems. The ignition time to reach the flame is approximately 17 seconds, helping reduce fuel waste and improve overall efficiency. Built for retrofit installs and demanding environments, it provides consistent performance in residential and commercial equipment. Designed for easy installation, it supports quick swaps on compatible controllers and wiring harnesses, reducing downtime.

• Base size: 1-1/4 inch
• Lead wire length: 5 inch
• Terminal connector type: 7/16 inch
• Operating voltage: 120 Volt AC
• Ignition time: 17 seconds