Lennox X3246 White-Rodgers 50E47-843 Universal Non-Integrated HSI Ignition Control is a professional-grade silicon carbide ignition module kit designed for dependable furnace ignition and safe burner operation. This universal hot surface ignition (HSI) control operates on 18–30 VAC input with 25 VAC nominal and is engineered for maximum compatibility across a wide range of residential gas heating systems.

The 50E47-843 ignition control features programmable timing selections using included program keys, allowing technicians to configure ignition sequences based on system requirements. A tri-colored LED indicator provides clear diagnostic feedback for faster troubleshooting and service verification. The module supports both direct and indirect flame sensing, delivering flexible installation options and reliable flame monitoring.

With its compact design measuring 4.13 inches high, 4.13 inches wide, and 1.5 inches deep, and a lightweight construction of 0.62 lb, this universal ignition control is easy to mount and service. The kit includes program keys, mounting hardware, double-sided foam back tape for quick installation, a color-coded timing label, an extensive cross-reference guide, and bilingual instructions in English and Spanish.

Designed for HVAC professionals, the White-Rodgers 50E47-843 ignition module is a trusted OEM-quality replacement solution for restoring consistent furnace ignition performance, system safety, and long-term heating reliability.