Lennox 24W50 Pressure Switch - 2-Stage 0.90/1.50 Inch

The Lennox 24W50 is a dual-stage pressure switch designed for use in residential and light commercial HVAC systems. This pressure-activated safety control monitors system pressure and ensures proper operation by opening or closing electrical circuits based on preset pressure thresholds.

Key Features:

• Two-stage pressure switch configuration for multi-stage furnace and heating applications
• Pressure settings: 0.90 inches and 1.50 inches water column (W.C.)
• Ensures safe furnace operation by monitoring differential pressure across the heat exchanger or venting system
• Direct OEM replacement part for Lennox furnaces and heating equipment
• Durable construction designed for reliable long-term performance in HVAC applications

This pressure switch is a critical safety component that prevents furnace operation when proper venting or airflow conditions are not met. The dual-stage design allows it to control both low and high-fire operation in two-stage heating systems, ensuring efficient and safe performance across different heating demands.