Lennox 64W86 - 2-Stage Pressure Switch
OEM Part Number: 101032-01
OEM Part Number: 101032-01
The Lennox 64W86 2-Stage Pressure Switch is a factory-authorized replacement component designed to monitor differential pressure levels in two-stage gas furnaces. It plays a critical safety role by confirming that proper airflow and venting conditions exist before allowing ignition to proceed. This ensures the safe and efficient operation of your heating system while maintaining optimal comfort.
This pressure switch is specifically engineered for two-stage applications, allowing the furnace to modulate between low and high firing rates based on heating demand. By accurately detecting pressure changes, the switch enables the control board to transition smoothly between stages, promoting better fuel efficiency, quieter operation, and more consistent indoor temperatures.
- Dual Pressure Configuration – Designed for two-stage gas furnace systems; monitors both high and low fire conditions to support efficient system modulation.
- OEM Performance – Manufactured to Lennox's strict specifications to ensure a perfect fit and reliable performance in compatible units.
- Safe Furnace Start-Up – Prevents burner ignition if airflow or venting conditions are not within safe limits, reducing the risk of unsafe operation.
- Long-Lasting Reliability – Durable diaphragm and electrical contacts are tested to withstand temperature fluctuations and moisture common in HVAC systems.
- Plug-and-Play Replacement – Includes wire terminals and mounting design consistent with factory-original installation, minimizing service time.
Technical Specifications:
- Application: Two-stage gas furnaces
- Voltage Rating: 24V control circuit
- Function: Air pressure sensing and control for high/low heat stages
- Mounting Style: Horizontal or vertical depending on unit
- Compatibility: Check model number or consult technical documentation to ensure proper fit
Used in a wide range of Lennox high-efficiency gas furnaces that utilize two-stage combustion systems. Always cross-reference part number 101032-01 with your unit’s service manual or model specifications before purchasing.
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Order now and restore your system’s performance with confidence. The Lennox 64W86 2-Stage Pressure Switch is a vital component that keeps your furnace running safely, efficiently, and reliably through every heating season.