Lochinvar 100275507 Main Control Board for Noble Combi Boiler - NKC110

The Lochinvar 100275507 is an OEM main control board designed specifically for the Noble NKC110 combination boiler. This critical electronic component serves as the central control system for the boiler, managing ignition sequences, fan speed control, temperature regulation, and safety functions. The control board coordinates all operational aspects of the heating system, ensuring reliable and efficient performance.

Key Features:

• Genuine Lochinvar OEM replacement part
• Controls ignition timing and gas valve operation
• Manages fan speed and combustion air regulation
• Monitors flame sensing and safety systems
• Interfaces with temperature sensors and user controls
• Direct replacement for part number 100271747
• Factory-calibrated for NKC110 boiler specifications

This main control board is essential for proper boiler operation and should be installed by a qualified HVAC technician. The board works in conjunction with the user interface control board, connection board, and various sensors to provide precise heating control and system diagnostics. Regular inspection of control board connections and wiring is recommended as part of routine maintenance to ensure optimal system performance.