50A55-843 Furnace Control Board Replacement for White-Rodgers Ignition Module Compatible with Lennox Gas Furnace Systems Replaces 50A50-241 50A50-405 50A55-486 Universal HVAC Control Board

When your gas furnace fails in cold weather, you don’t want to wait days for an expensive HVAC technician visit or overpay for branded replacement parts. Our 50A55-843 furnace ignition control module is designed to solve your heating issues quickly, affordably, and reliably.Engineered to match the fit and function of original part 50A55-843, this ignition control board is compatible with 50A50 and 50A55 series furnace controls, as well as most gas forced-air furnaces with silicon carbide igniters. It delivers consistent, stable performance matching the original part, without the premium OEM price tag.This furnace control module features a precision microprocessor that smoothly manages your furnace’s burner, inducer, and fan functions for efficient daily operation. The integrated LED diagnostic indicator simplifies troubleshooting, helping you identify and resolve issues fast with no special tools required.Full Installation Kit Included We include every accessory you need for a seamless installation in one package: wiring harness, jumper wires, and Trane-compatible jumper. No need to source extra parts mid-repair, saving you time and hassle.Built with high-grade silicon carbide components and heat-resistant housing, this module stands up to the harsh high-temperature environment inside your furnace cabinet. It operates reliably in extreme temperatures from -40°F to 175°F, ensuring long-lasting, trouble-free performance season after season.Whether you’re a DIY homeowner fixing your home furnace or a professional HVAC technician stocking reliable replacement parts, our 50A55-843 ignition control module offers the quality, compatibility, and peace of mind you need for every furnace repair.Core Compatibility Notes Designed for gas forced-air furnaces with silicon carbide igniters Compatible with most major furnace brands Meets 25 VAC standard electrical requirements for safe use

• Replacement Part Model: 50A55-843. Applicable to the 50A50 and 50A55 series furnace control systems.
• Wear Well: Built with high-grade silicon carbide components and precision microprocessor for consistent furnace operation. Withstands -40°F to 175°F extreme temperatures for long-term use.
• Includes complete installation kit: Equipped with wiring harness, jumper wires and jumper wires suitable for Trane systems, compatible with various installation methods. Built-in LED indicator lights for easy troubleshooting during setup.
• Wide Furnace Brand Compatibility: Designed for gas forced-air furnaces with silicon carbide igniters, compatible with most major furnace brands. Meets 25 VAC standard electrical requirements for safe use.
• Quality Inspected And Responsive Support: Each unit undergoes strict pre-shipment inspection. Includes a detailed installation guide and responsive customer support for any setup or fitment questions.