Product Overview:
The Fyizo FYZ-01-FS02 is an original OEM-quality flame sensor designed as a direct replacement for the Lennox 69W43. It provides accurate flame detection and stable ignition control to ensure safe and efficient furnace operation. Ideal for HVAC technicians and homeowners, this replacement part restores dependable performance and helps prevent ignition-related issues.

Key Features and Benefits:
This flame sensor matches the original Lennox 69W43 in design and function, allowing for a quick and precise installation. It accurately monitors burner flame presence to prevent startup failures and system lockouts. The stainless steel probe and ceramic insulator offer strong resistance to heat, corrosion, and wear. Each unit is factory tested to meet OEM standards for quality and reliability, guaranteeing consistent performance in demanding HVAC environments.

Specifications:
Brand: Fyizo
Part Number: FYZ-01-FS02
Replaces: Lennox 69W43
Type: Flame Sensor Assembly
Material: Stainless steel rod with ceramic base
Application: Gas furnaces and HVAC ignition systems

Weight and Dimensions:
Weight: 0.08 lb
Length: 3.75 in
Width: 0.5 in
Height: 0.5 in

Additional Information:
The Fyizo FYZ-01-FS02 offers the same precision and dependability as the original Lennox 69W43 flame sensor, ensuring your heating system operates safely and efficiently. It helps maintain consistent ignition and reliable heat output while reducing the risk of system shutdowns. Compatible with select Lennox, Armstrong, and Ducane furnaces, this sensor is a trusted replacement for long-term HVAC reliability.

Choosing Fyizo OEM replacement parts helps protect your furnace, improve energy efficiency, and extend equipment lifespan. The FYZ-01-FS02 combines OEM accuracy with durable construction to provide reliable performance season after season.