• Perfect Compatibility: This SSN21 furnace ignitor is compitable with Lennox; compitable with Armstrong; compitable with Coorstek; compitable with Ducane; Perfectly compatible, easy to replace
• Replace Part Number: Replace 75M21, 75M2101, G40, G43, 483396. Please check the part number carefully before ordering
• High-quality: The igniter is made of high-quality siliceous micro nitride material, which has excellent high temperature resistance and strong corrosion resistance, ensuring stable operation in the extreme temperature in the furnace
• Stable Ignition: This igniter provides powerful ignition power to ensure stable and rapid ignition at start-up, reducing energy waste and operational delays caused by ignition failure
• Solve Problems: Ignition failure; Flame detection failed; Electrical faults; Persistently emitting abnormal sounds; Aging or damage; If you have encountered these problems, you can try to replace our igniter