21L14 | Lennox 106855-01, M4/W4 CORE Unit Controller Replacement kit | Lennox

Lennox 21L14 CONTROLLER 106855-01, M4/W4 The Lennox 21L14 Controller (106855-01, M4/W4) is a critical component of your HVAC system that provides precise temperature and humidity control for optimal comfort and efficiency. This advanced controller features an intuitive interface that allows for easy setup and operation. Key Features: - Compatible with Lennox systems, ensuring seamless integration and optimized performance. - Advanced algorithms provide precise temperature and humidity control, maintaining a comfortable indoor environment. - Intuitive user interface simplifies programming and operation, allowing for effortless adjustments. - Reliable and durable construction ensures long-lasting performance and system efficiency. The Lennox 21L14 Controller is an essential upgrade for any home or business looking to enhance their HVAC system's performance and comfort levels. Contact us today at our HVAC supply store for more information and to order your Lennox 21L14 Controller!