Key Benefits Precision Flame Sensing: Provides accurate feedback to the burner control unit to prevent nuisance shutdowns in Vitodens WB2B boilers

the CW lead end rotation and 1/2" x 3 3/8" shaft with a double flat provide the necessary clearance and fitment for standard fan blades and blowers

high-capacity control designed for LP gas applications requiring precision and high flow rates

The BNR0057 is strictly for Natural Gas applications

Designed specifically for low pressure steam and hot water boilers

Reznor 203525 Wire Harness Freon Key Benefits Precision Flame Sensing:The Reznor 203525 Wire Harness is a critical OEM replacement component engineered for precise electrical integration within Reznor UDBP and UDBS unit heaters. Specifically designed for 100,000 to 125,000 BTU modelsincluding the UDBP100, UDBP125, UDBS100, and UDBS125this harness features a 9 pin terminal connector to ensure secure signal and power distribution across the system. As a veteran grade HVAC replacement part, it eliminates the common "no