Reznor 121865

Reznor 121865 is a robust ignitor designed as a direct replacement for Norton #401E ignitors, offering precise ignition control and dependable performance in gas furnaces and other residential heating systems. This high-quality component is built to endure frequent cycling and extreme temperature swings, ensuring reliable operation when it matters most.

Engineered for stable electrical performance, this ignitor delivers quick startup, minimizes delay, and supports efficient furnace operation across a range of heating appliances. Its rugged ceramic body and simple wiring interface make it a practical replacement part for both new installations and routine maintenance.

• Direct replacement for Norton #401E ignitors
• Fits Reznor 121865 assemblies and compatible furnace brands
• Electronic ignition system compatibility for reliable startup
• Durable ceramic body designed for long service life
• Easy retrofit with common hand tools and basic wiring

Ideal for maintenance and replacement projects, this ignitor helps maintain consistent heat delivery while reducing downtime. Use a Norton 401E-compatible part to keep your heating system running smoothly through colder months.