Upgraded 69W43 Flame Sensor Furnace Compatible with Lennox Ducane Armstrong Furnaces Fits for 69W4301 LB-74940B LB74940B-2Pack

The 69W43 Furnace Flame Sensor is a high-quality replacement part designed for Lennox, Armstrong, and Ducane gas HVAC systems.

With a durable cermet insulator material and maximum temperature resistance of up to 2190°F (1180°C), this sensor ensures accurate flame detection and prevention of carbon monoxide poisoning.

The easy-to-install design allows you to replace your old sensor in just a few minutes, saving you time and money.

Plus, our MONEY BACK GUARANTEE gives you peace of mind in case you have any issues with the product.

Don't wait – order now and enjoy a safe and efficient heating system!