The 21D64-1 nitride igniter upgrade kit for gas boilers and furnaces is designed for easy aftermarket replacement of silicon carbide igniters, states the company. The kit includes a nitride igniter, power module, universal bracket, wiring harness, double-sided foam-back tape, and a label to affix to the furnace that indicates that the furnace has a nitride igniter. According to the manufacturer, the nitride power module provides the appropriate voltage levels to the nitride igniter based on current temperature conditions, ensuring consistent performance and longer life. A five-year warranty comes with every kit.

White-Rodgers, a division of Emerson Climate Technologies, 8000 W. Florissant Ave., P.O. Box 4100, St. Louis, MO 63136-8506; (website).

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