446-131

This genuine OEM Noritz Control Board serves as the primary central processing unit for high-efficiency tankless water heaters. As an ignition modulating circuit board, it functions as the 'brain' of the appliance, precisely managing the ignition sequence, gas flow, and flame modulation to ensure consistent water temperatures and optimal energy efficiency. This replacement motherboard is essential for resolving common issues such as ignition failure, persistent error codes, or erratic heating behavior. Designed for reliability and safety, this authentic component monitors internal sensors and regulates the burner assembly to maintain peak performance in residential or commercial gas water heating systems.
Type: Control Board
Size: Medium
Application: Used in tankless gas water heaters to manage ignition, temperature modulation, and safety sensor communication.
Specifications: Modulating ignition logic, integrated circuit protection, multi-pin harness connectivity, and OEM diagnostic compatibility.