Ignition Control Module - Intermittent Pilot The Ignition Control Module - Intermittent Pilot has been soldered and assembled by Rheem to their specifications and are covered by the Rheem 2-3 Business Day Warranty RHEEM 171104 Ignition Control Module - Intermittent Pilot This is a brand new aftermarket Ignition Control Module (ICM) for Rheem gas furnaces It is used to control the ignition of the Pilot flame A defective Ignition Control Module will not be detected by the RHEEM Pilot Light protection The ignition control module may cause intermittent starting of the water heater The Ignition Control Module is a replacement for the following part numbers: Rheem 171103, 171104, 171144, 17116A, 17189A This part is responsible for the ignition spark and certain aspects of the ignition such as flame sense Rheem's Ignition Control Module helps increase your peace of mind with its electronic ignition system It is designed to be incredibly reliable, giving you a safer and improved performance for your outdoor heating application This Ignition Control Module is used on a range of RHEEM Roof Top Units to control the gas valve for ignition