Lennox 24W49 Pressure Switch 328140-751 making it compatible with a

making it compatible with a wide range of air-moving equipment

you must never use a capacitor with a lower voltage rating than the original

Quiet Operation: Precision-balanced rotor and advanced housing reduce vibration and harmonic noise during startup and high-speed operation

Technicians should look for erratic pen movement

Technician-Friendly Interface: Includes a high-contrast backlit display with a scrolling text bar for simplified setup and troubleshooting

Lennox 24W49 Pressure Switch 328140-751 making it compatible with aThe Lennox 24W49 Pressure Switch is a critical safety component designed for specific Lennox furnace models to monitor the induced draft blower operation. This OEM Lennox replacement part, identified by part number 101021 04, is factory calibrated with a set point of 0. 70" WC PF 1. 05" WC. It ensures the combustion process is vented correctly before allowing the gas valve to energize. Built with a durable diaphragm and precise electrical contacts,