Copeland Comfort Control (White Rodgers) 50M56X-843 Control Kit

The White Rodgers 50M56X-843 is a high-performance universal integrated furnace control kit designed for professional contractors seeking to streamline their inventory. This module is the advanced direct replacement for the 50M56U-843 and Trane CNT05165, providing compatibility with over 550 single-stage HSI ignition control models. Engineered with a single microprocessor, it manages all critical furnace functions, including burner operation and blower timing, for both PSC and ECMx blower motors. This kit includes the 21D64-2 HotRod 120V nitride ignitor, enabling a seamless upgrade from older 80V systems. The integration of NFC (Near-Field Communication) allows for wireless configuration via the White-Rodgers Connect app, facilitating setup and advanced diagnostics even before the board is powered. With multiple built-in connectors, it offers true OEM harness auto-detection, eliminating the need for complex adapter harnesses in the field. This furnace control board replacement supports 120V accessories such as humidifiers and air cleaners while providing a 7-segment LED display for real-time monitoring of flame current and fault codes.

• Universal Compatibility: Replaces over 550 single-stage HSI controls from major manufacturers including Carrier, Honeywell, and ICM.
• Advanced Configuration: Utilizes NFC technology and the White-Rodgers Connect app for smartphone-based setup and troubleshooting.
• Blower Versatility: Configurable for both standard PSC and constant torque ECMx (X-13) motors with multi-speed support.
• On-Board Diagnostics: Features a 7-segment digital display for status notification and live flame current readouts without needing a meter.
• Comprehensive Kit: Includes a 120V universal nitride ignitor and essential wiring hardware for immediate installation.

Is this control compatible with variable speed motors?
The 50M56X-843 is specifically designed for single-stage systems using PSC or ECMx (constant torque) motors. It is not intended for use with full variable-speed (ECM) circulator motors.

Can I use this to replace a Trane CNT05165?
Yes, it is the direct replacement for the CNT05165. The board features auto-detection for OEM harnesses to simplify the swap without extra wiring adapters.

Do I need to power the board to configure settings?
No, the Near-Field Communication (NFC) chip allows you to configure your settings through the mobile app by simply touching your device to the board before it is installed or powered.

This item is not eligible for free shipping.

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.