The Trane 50M56-495-04 Control Board/Ignitor Kit (also referenced as KIT18110 and D345780P01) is an OEM replacement integrated furnace control board and silicon nitride ignitor kit. Designed for reliable ignition, flame sensing, and system diagnostics, this kit ensures optimal performance and efficiency for your heating system. Ideal for repairing or upgrading compatible Trane units, it combines robust control logic with dependable ignition reliability. Key Features Integrated control board and ignitor kit for gas furnaces Includes 50M56-495-04 board and silicon nitride ignitor Controls ignition, blower timing, and flame sensing Features diagnostic LED indicators for easy troubleshooting OEM replacement ensures perfect fit and function in Trane systems Specifications Part Numbers: 50M56-495-04, KIT18110, D345780P01 Voltage: 24VAC control / 120VAC ignitor Ignitor Type: Silicon Nitride Board Function: Ignition control, flame monitoring, blower timing Mounting: OEM-specific bracket or enclosure Compatibility: Direct OEM replacement for specified Trane units Compatible Models Model-specific compatibility list not provided. Please consult your unit's manual or technician to confirm fit. Why Choose This Item The Trane 50M56-495-04 Ignitor/Control Board Kit is a trusted solution for restoring heating system reliability. Combining smart diagnostics with durable ignition technology, it supports both maintenance professionals and DIY users. Choose this OEM-grade kit for long-lasting performance, energy-efficient operation, and safe furnace control in your home or business.