The Trane CNT1466 is a professional-grade continuous retry ignition control designed for precise flame rectification sensing in residential and light commercial gas furnaces. Engineered as a genuine OEM replacement ignition module, this controller manages the heating cycle by monitoring the flame signal and initiating a sequence of retry attempts if pilot or main burner ignition fails to establish on the first cycle. Unlike standard 1-trial or 3-trial boards, the continuous retry logic provides superior uptime by persistently cycling the hot surface ignitor and gas valve until a stable flame is sensed or a critical safety limit is reached, effectively reducing nuisance furnace lockout codes on cold starts. This 24V electronic ignition board integrates seamlessly into Trane and American Standard systems, acting as a direct-fit component that maintains the manufacturer’s original performance specifications. Integrated diagnostic LEDs assist technicians in identifying gas furnace troubleshooting issues quickly, from blocked flues to ignition failures. By ensuring a steady combustion sequence and managing the gas furnace ignition process with high-precision safety timings, the CNT1466 is the standard for service calls requiring a reliable, durable fix for failing furnace controls. Key Benefits for Technicians: Enhanced Reliability: The continuous retry logic reduces emergency callbacks caused by transient ignition failures and environmental lockouts. OEM Precision: Direct cross-reference for Trane CNT01466 ensures terminal-to-terminal compatibility without field modification. Integrated Diagnostics: Flashing LED fault codes streamline the diagnostic process, allowing for fast identification of system status. Consistent Performance: Engineered to withstand the high-temperature environment of the furnace control cabinet while maintaining accurate ignition timing. Common Questions & Technical Support: How do I resolve a lockout code with this board? Use the onboard LED flash code chart to determine if the lockout is due to flame failure, pressure switch issues, or internal component faults. Is this compatible with 80% and 90% AFUE units? Yes, the CNT1466 is utilized across multiple Trane gas furnace platforms; always verify your specific model and serial number before installation. What does "Continuous Retry" mean? If the hot surface ignitor fails to light the burner, the module will reset and attempt the ignition sequence again after a brief purge period, rather than permanently locking out the system immediately. Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.