WHITE RODGERS 21D64-001 NITRIDE UPGRADE KIT FOR GAS-FIRED FORCED AIR FURNACES ROBUST IGNITOR DESIGN EASY TO INSTALL "POWER" LED INDICATOR / UNIVERSAL BRACKET INCLUDES: POWER MODULE, NITRIDE IGNITOR, MOUNTING BRACKET, MOUNTING ADAPTER, 24" LEAD ASSEMBLY, DOUBLE SIDED FOAM TAPE, AND "NITRIDE UPGRADE" STICKER LABEL MODULE DIMS: 1-3/4"H x 4-1/4"W x 3-1/2"D