Lennox 26W42 (101126-03) - 2-Stage Pressure Switch, High Set Point 0.95" W.C.
Ensure safe and efficient furnace operation with the Lennox 26W42 (101126-03) 2-Stage Pressure Switch. Designed for use in Lennox high-efficiency systems, this OEM pressure switch provides precise air pressure monitoring during ignition and operation phases. With a high set point of 0.95" W.C., it supports dual-stage operation by helping verify correct inducer performance before allowing burner ignition.
Built to meet original equipment specifications, this switch enhances system reliability and maintains safety protocols. It is factory-calibrated for accurate pressure detection and features durable construction for long-term performance in demanding HVAC environments.
Key Features:
- Genuine Lennox replacement part
- 2-stage functionality for enhanced system performance
- High set point: 0.95" W.C.
- Ensures safe startup and combustion operation
- Part Number: 26W42 / 101126-03
Perfect for Lennox systems requiring precise airflow control. Available now at Beenimax.com—your trusted source for genuine HVAC parts.


