The Lennox 49M50 (49M5001) Pressure Switch is an OEM replacement component engineered to ensure safe and reliable furnace operation. This switch monitors system pressure during ignition, helping prevent improper combustion and maintain consistent heating performance. Built to Lennox quality standards, it supports accurate airflow verification and dependable system shutdown in abnormal conditions. Ideal for technicians performing maintenance, repairs, or restoring furnace safety controls.

 

Key Features:

• Genuine Lennox OEM pressure switch for accurate system monitoring
• Ensures proper draft and airflow verification during ignition
• Helps protect furnace components by preventing unsafe operation
• Manufactured for long-lasting, reliable safety performance
• Designed for quick and straightforward replacement

 

Technical Specifications:

• Manufacturer: Lennox
• Part Number: 49M50 / 49M5001
• Component Type: Furnace pressure switch
• Application: Draft and airflow verification
• Compatibility: Select Lennox HVAC systems