Lennox 18G89 Furnace Flame Sensor

The Lennox 18G89 Furnace Flame Sensor is designed to deliver reliable flame detection for compatible Lennox furnaces. This furnace flame sensor plays a critical role in ignition safety, ensuring the burner only runs when a stable flame is detected. Built as a Type Flame Sensor and used on furnaces that require precise flame monitoring, it combines a glazed L-5 Steatite body with a Kanthal D or Hoskins 815 electrode and a nickel-plated steel male terminal. Its compact size measures 1 inch in length by 3.2 inches in width, making it a straightforward replacement for existing sensors. Designed to withstand typical furnace conditions, this Lennox part is a dependable choice for maintaining efficient operation and safety.

• Primary function: Flame sensor for reliable ignition safety in Lennox furnaces.
• Type and compatibility: Type Flame Sensor, used on furnaces requiring precise flame monitoring.
• Durable construction: Glazed L-5 Steatite body with Kanthal D or Hoskins 815 electrode.
• Reliable electrical connection: Nickel-plated steel male terminal for solid, corrosion-resistant contact.
• Compact size: 1" L x 3.2" W, designed for easy installation in compatible units.