When performing HVAC safety switch replacement

Is the oval shape critical

This 9-watt plug-in fluorescent tube operates on a standard G23 base (2-pin configuration)

and aluminum tubing across all common refrigerants

Carrier LH33WZ520 Flame Sensor When performing HVAC safety switchThe Carrier LH33WZ520 Flame Sensor is a critical OEM replacement part designed for combustion safety in gas fired furnaces. This sensor operates via flame rectification, passing a small microamp signal through the burner flame to the integrated furnace control (IFC). When the silicon carbide igniter or hot surface igniter successfully lights the burners, this flame rod detects the presence of ions within the flame. If the furnace control board fails