69W43 Flame Sensor: This flame sensor features an approximately 1.31-inch 90-degree "elbow" and is designed as a replacement part, not an original OEM accessory, ensuring your furnace operates smoothly.
High-Temperature Resistance: Manufactured with high-quality ceramic-metal insulating materials, the sensor rod can withstand temperatures up to 2190°F, the ceramic up to 1000°F, and the insulation up to 250°F, guaranteeing stable performance under extreme conditions.
Compatible Replacement Part: This flame sensor is suitable for gas HVAC systems and compatible with Lennox, Armstrong, and Ducane models. It replaces part numbers such as 69W4301, LB-74940B, and LB74940B, perfectly meeting your needs.
Easy Installation: Avoid the high cost of replacing the entire furnace. Simply replace the furnace's flame sensor rod in just a few minutes to save both time and money, making maintenance effortless.
Affordable Packaging: Each package includes two 69W43 flame sensor rods, providing ample supply for your spare part needs. This is the ideal choice for maintaining Lennox and Ducane furnaces.