Reznor 41604 Ignition Control R-410A making it an essential component

making it an essential component for technicians servicing systems running on R404A

As a synchronous damper motor

Measuring approximately 19-7/8 inches by 14-1/2 inches

Designed to protect compressors from both low-side suction loss and high-side over-pressurization

eliminating the risks associated with generic universal switches

Reznor 41604 Ignition Control R-410A making it an essential componentThe Reznor 41604 Ignition Control is a critical OEM replacement part engineered for precise sequences in gas fired heating systems. As a veteran grade direct spark ignition (DSI) module, this component manages the ignition trial, flame sensing, and gas valve actuation to ensure safe and efficient burner operation. Designed to meet internal factory specifications for Reznor unit heaters, the 41604 ignition board provides robust timing logic and rapid