While designed as a Newco 705595 replacement

Universal Mounting: Compact footprint with standard 1/4" quick-connect terminals facilitates rapid replacement in tight control cabinets

this unit allows technicians to "dial in" an exact pickup voltage between 130V and 370V

The 626513R furnace switch is calibrated to open on rise at 200°F

Reznor 147165 Flame Sensor While designed as a NewcoThe Reznor 147165 Flame Sensor is a critical OEM replacement component engineered for precise flame rectification within the burner assembly. Designed specifically for Reznor FT30 300 models and compatible with UDAP and UDAS series unit heaters, this 3 5 8 inch sensor ensures the control board receives a steady DC microamp signal during the ignition cycle. In commercial and industrial HVACR applications, a fouled or oxidized sensor is the primary