White-Rodgers 50M56X-843 Universal Single Stage HSI Integrated Furnace Control For PSC & ECMx Blower Motor

The 50M56X-843 is a universal single-stage integrated furnace control that replaces over 550 part numbers. Whether you’re dealing with PSC or ECMx blower motors, this control has you covered. Accurately replaces nearly all single-stage carbide and nitride HSI systems made by White Rodgers and other brands. Including Honeywell S9200U1000, ICM2812-Kit, Carrier HK42FZ004, HK42FZ007, HK42FZ008, HK42FZ009, HK42FZ011 and HK42FZ016. Replaces previous part 50M56U-843 & 50X57-843.

1. Compatibility:

   • Replaces over 550 single-stage controls, making it the most universal option available.
   • Configurable for both PSC and ECMx blower motors.
   • Eliminates the need for a separate harness.
   
   

2. Functionality:

   • The single microprocessor oversees all furnace functions, including burner and blower operations.
   • Twinning capable for multi-zone systems.
   • Supports 120V humidifiers, 24V humidifiers, and 120V electronic air cleaners.
   • Second-stage cooling and dehumidification options.
   
   

3. Features:

   • Color-Coded Thermostat Connection.
   • Low Voltage Fuse Protection - 3A Replaceable Automotive Type
   • Humidifier & Electronic Air Cleaner Connections (Optional)
   • Cover Label - Displays Diagnostic Table
   
   

4. Installation and Diagnostics:

   • NFC (Near-field Communication) technology allows easy configuration using the White-Rodgers Connect app.
   • Digital display with option and select buttons for on-site configuration and diagnostics.
   • Multiple connectors for direct plug-in of OEM harnesses.
   • Detachable thermostat bus connector simplifies wiring.
   • Fault code label on the control for quick troubleshooting.
   • Live real-time flame current readout.
   
   

5. HotRod Ignitor Included:

   • Comes with a 21D64-2 HotRod 120V universal ignitor, allowing upgrades from existing 80V ignition controls.
   
   

6. White-Rodgers Connect App:

   • Configure settings without power prior to installation.
   • No login or username required.
   • Diagnose fault codes and troubleshoot confidently.
   • View status and details about the module.

Upgrade your furnace control with the 50M56X-843 and experience simplified installation, efficient diagnostics, and compatibility across a wide range of systems.

Specifications

• Input Voltage 25 Vac, 60 Hz
• Circulator Relay 14.5 FLA-25.0 LRA @ 120 Vac
• Operating Temperature Range -40° to 176°F (-40° to 80°C)
• Operating Humidity 5% to 93% relative humidity (non-condensing)
• Gases Approved: Natural, Manufactured, Mixed, Liquid Petroleum, and LP Gas Air mixtures all approved for use
• Dimensions: 6.5" W x 8.25" L x 1.50" D (with tabs); 5.5" W x 7.0" L x 1.50" D (tabs removed)

• Product Catalog
• Installation Manual
• Specification Sheet
• Cross Reference Guide

Installation Guide Video