Lennox 64W86 Pressure Switch - 2-Stage

The Lennox 64W86 is a genuine OEM 2-stage pressure switch designed for use with Lennox furnace systems. This safety component monitors air pressure within the furnace vent system to ensure proper operation and prevent unsafe conditions such as backdrafting.

Key Features:

• 2-stage operation with dual pressure settings: 0.90" W.C. (low) and 1.20" W.C. (high)
• OEM part number 101126-09 for guaranteed compatibility
• UL listed for safety and reliability
• Prevents backdrafting and improper furnace cycling
• Lightweight design at 0.4 lbs for easy installation

This pressure switch is a critical safety component that verifies adequate air flow through the furnace before allowing the gas valve to open. It is commonly used in Lennox Model 88 and 95 series furnaces as a replacement part. The dual-stage design allows the switch to monitor different pressure levels for various operating conditions, ensuring your heating system operates safely and efficiently.