Lennox 14C89 - Lennox 550003077, Replacement Boiler Control Module, GWB8 Series

 

Lennox 14C89 – Lennox 550003077 Replacement Boiler Control Module is a genuine OEM control board designed specifically for Lennox GWB8 Series gas-fired boilers. This boiler control module manages critical boiler functions including ignition sequencing, flame sensing, safety monitoring, and overall system operation to ensure reliable and efficient heating performance.

Engineered to meet Lennox factory specifications, this replacement boiler control module restores proper communication between boiler components and helps maintain safe, stable operation. It is ideal for replacing a failed or malfunctioning control board during boiler repair or preventative maintenance, helping extend the service life of compatible Lennox GWB8 boilers.

Manufactured by Lennox, this control module offers dependable performance, precise system control, and seamless compatibility with original equipment designs.

 

Key features and benefits

• Genuine Lennox OEM replacement part
• Designed for Lennox GWB8 Series boilers
• Controls ignition, flame sensing, and safety operations
• Restores proper boiler functionality and efficiency
• Built to Lennox quality and reliability standards
• Direct replacement for damaged or faulty control modules

 

Typical applications

• Residential and light commercial Lennox GWB8 gas-fired boilers
• Boiler control board replacement during service or repair

 

Using an authentic Lennox 550003077 boiler control module helps ensure correct operation, system safety, and long-term reliability while maintaining manufacturer compliance and performance expectations.