
Universal Igniters: Use with caution! | HVAC Service Mentor
25/9/2018· While the silicon carbide igniter was engineered to last the full life of a furnace, due to typical issues that lead to short cycling, typical igniter life is in the eight to twelve years range. I n the late 1990’s and early 2000’s , some manufacturers started using Silicon Nitride igniter technology, with Lennox and Trane being early adopters.