R-62-21744-01 Gas Furnace Flame Sensor * Used with Intermittant (Spark Ignition) Pilot Systems * 2-3/64" Long from Flange to Tip * 3-1/4 Overall Including Terminal * 1/4" Quick Connect Terminal * Direct Replacement Part For Many Rheem, Ruud, & Weatherking Furnaces * Replaces Part Numbers: * 6221744-01 * 6094-5605 * 8404-5523 * 8405-5609 * 8554-5516