Lennox 24X03 – Lennox M0STAT120N-1 Wired Programmable Controller

The Lennox 24X03 (M0STAT120N-1) Wired Programmable Controller is a reliable, easy-to-use thermostat designed to give precise control over Lennox HVAC systems. Built for consistent performance in residential and light commercial applications, this controller helps achieve optimal comfort while improving system efficiency. With user-friendly scheduling, clear temperature control, and durable Lennox engineering, it is an ideal replacement for older wall thermostats or an upgrade during system maintenance.

This high-quality wired controller is compatible with select Lennox units and offers straightforward installation for HVAC technicians. Its responsive interface ensures accurate temperature adjustments, supporting energy savings without sacrificing comfort. Whether used for daily scheduling or simple on-demand control, the M0STAT120N-1 delivers dependable operation backed by Lennox’s reputation for performance.

Key Features

• Programmable temperature scheduling for energy-efficient comfort
• Designed for compatibility with select Lennox HVAC systems
• Reliable wired connection ensures stable communication
• Easy-to-navigate interface for quick adjustments
• Ideal for replacements, upgrades, or new system installations
• Durable build designed to withstand continuous daily use

Specifications

• Model: M0STAT120N-1
• Lennox Part Number: 24X03
• Control Type: Wired programmable controller
• Application: Residential and light commercial Lennox systems
• Interface: Simple keypad and LCD-style display
• Installation: Wall-mount, low-voltage wiring