Universal Furnace Flat Silicon Nitride Igniter Replacement Kit For Nordyne, Mars, Supco Furnace Ignitors High Efficiency Gas Furnaces Universal flat silicon nitride igniter kit. Includes brackets and hardware to replace hundreds of OEM furnace and boiler igniters 18 gauge copper high temperature fiberglass insulated lead wires Product Used as Direct OEM Replacement Only Packard flat igniters offer an efficient , stronger, reliable hot surface Silicon Carbide design Higher resistance to oxidation, longer useable life