Product Overview:
The Fyizo FYZ-01-KR22 is an original OEM-quality pressure switch designed to replace the Lennox 52W29. This high-precision component ensures safe and reliable furnace operation by monitoring pressure levels and enabling consistent ignition performance. Ideal for technicians and homeowners seeking a durable, exact-fit replacement that maintains Lennox factory specifications.

Key Features & Benefits:

• OEM-equivalent performance and construction for seamless replacement of Lennox 52W29.

• Ensures accurate pressure sensing for safe and efficient furnace operation.

• Built with high-temperature, corrosion-resistant materials for extended service life.

• Simple installation using existing mounting points and electrical connections.

• Each switch is factory-tested to meet Lennox OEM standards for performance and reliability.

Specifications:

• Brand: Fyizo

• Part Number: FYZ-01-KR22

• Replaces: Lennox 52W29

• Type: Furnace Pressure Switch

• Pressure Setting: 0.90 in. W.C.

• Application: Gas furnaces and HVAC safety control systems

Weight & Dimensions:

• Weight: 0.15 lb

• Length: 3.25 in

• Width: 0.5 in

• Height: 0.5 in

Additional Information:
The Fyizo FYZ-01-KR22 maintains the same performance and reliability as the original Lennox 52W29 pressure switch. It’s designed to ensure correct furnace airflow verification and prevent unsafe startup conditions. Compatible with select Lennox, Armstrong, and Ducane furnace models, this pressure switch helps your system maintain safe operation and energy efficiency.

Using Fyizo OEM replacement parts helps extend furnace lifespan, minimize downtime, and maintain manufacturer performance standards. Engineered for long-term reliability, this replacement ensures your heating system continues to operate safely and efficiently throughout the season.