Lennox 46K67 - Defrost Control Board
Ensure optimal system performance in cold weather with the Lennox 46K67 Defrost Control Board. This reliable OEM component is engineered to regulate the defrost cycle in Lennox heat pump systems, preventing ice buildup on the outdoor coil and maintaining efficient heating operation.
Designed for compatibility with select Lennox units, the 46K67 board monitors ambient and coil temperatures to initiate and terminate defrost cycles automatically. Its solid-state design ensures consistent operation and dependable system protection, even under harsh winter conditions.
Key Features:
- Genuine Lennox replacement part
- Controls defrost cycle based on sensor input
- Enhances heat pump efficiency and reliability
- Helps prevent coil freezing and system inefficiencies
- Durable construction for long-term performance
Ideal for routine maintenance or service repairs, the Lennox 46K67 Defrost Control Board keeps your system running smoothly. Available now at Beenimax.com.

