White-Rogers 50A55-843 Universal Hot Surface Ignition ModuleCondition: * Used, removed from service in working condition due to upgrade of system.* Unable to test, but were kept by the service company to be used as a spare part/backup.* As Pictured.Additional Notes:* Type: Hot Surface Ignition* Control Volts: 24 Volt AC* Igniter Warm-Up Time: 20 Second* 60 minute auto reset* Single Channel Flame Sense* Pre-purge: 30 SecondWhite-Rogers50A55-843