Lennox 17J56 Furnace Flame Sensor

Furnace Flame Sensor ensures reliable ignition and safe furnace operation. The Lennox 17J56 Furnace Flame Sensor is designed to fit Lennox heating systems and deliver precise flame detection for dependable, worry-free heating.

This replacement part features a rugged construction built to withstand the demands of daily furnace use. It combines a glazed L-5 Steatite insulator, copper plated plate, and nickel plated steel male terminals for durability and reliable electrical contact.

Careful engineering yields exact dimensions for a proper fit: 0.114 Inch Diameter x 2 Inch Length x 3.05 Inch Width x 1.62 Inch Depth, ensuring compatibility with common Lennox control boards and safety circuits.

Designed for quick installation, this furnace sensor replacement part minimizes downtime and supports better safety, efficiency, and performance of your HVAC system.

• Compatible with Lennox 17J56 furnace systems for a dependable replacement part
• Durable construction with glazed L-5 Steatite insulator, copper plated plate, and nickel plated steel terminals
• Precise flame sensing improves ignition safety and furnace efficiency
• Easy installation minimizes downtime and supports reliable furnace operation
• Compact, measured dimensions ensure proper fit with common Lennox control boards