446-081

The Hot Surface Ignition (HSI) Module Board is a vital electronic control component designed to manage the ignition sequence in gas-fired heating systems. This reliable circuit board regulates the heating of the igniter, controls gas valve actuation, and provides continuous flame monitoring to ensure safe and efficient appliance operation. Ideal for HVAC repair and maintenance, this ignition controller helps resolve issues such as furnace startup failures, intermittent heating, or ignition lockout. Engineered for durability, it serves as a central hub for coordinating the complex timing required for modern high-efficiency furnaces and boilers.
Type: Electronic Ignition Control Module
Size: Standard Control Board
Application: Compatible with gas-fired furnaces, residential boilers, and light commercial HVAC heating units that utilize hot surface ignition (HSI) technology.
Specifications: Microprocessor-based control, integrated flame rectification sensing, precise ignition timing sequences, and safety lockout protection.