White-Rodgers 50D50-801 Lennox Furnace Module Kit For Intermittent / Proven Pilot Spark, Single Stage Applications. Features LED For System Diagnostics.

White-Rodgers™ 50D50 Non-Integrated Universal Direct Spark Ignition Control with Variable Timing, 24 V, 0.2 A

White-Rodgers™ 50D50-843 Non-Integrated Spark Ignition Control with Variable Timing, 24 V, 0.2 A

White-Rodgers™ 50E47-843 Universal Surface Mount Non-Integrated Hot Surface Ignition Control with Variable Timing

White-Rodgers™ 50M56-743 1-Stage Multi-Speed HSI Integrated Furnace Control, 120 V, 6 A, 17 sec Warm Up

White-Rodgers™ 50M56U-751 1-Stage Direct Replacement HSI Integrated Furnace Control Kit, 120 V, 0.45 A