High-Visibility Design: The red push-button interface allows for rapid identification during emergency service or lighting procedures

Universal Compatibility: Replaces common industry parts like the C301NU50 and fits standard mounting brackets

Always verify that your unit heater troubleshooting leads to a confirmed thermal trip before replacing

The unit is hardwired and compatible with standard 24VAC systems

normally closed switch replaces multiple legacy part numbers

Reznor 101889 Pilot Light High-Visibility Design: The red push-buttonFor service technicians and commercial mechanical contractors, the Reznor 101889 Pilot Light is the essential OEM replacement indicator for maintainance and troubleshooting of Reznor unit heaters. This 28V pilot light is engineered for high visibility signaling in industrial control panels, featuring a red lens that provides a clear visual status of the HVAC burner sequence or alarm circuits. Operating at 1. 2 Watts, this component ensures minimal