White-Rodgers
White-Rodgers 50M56-743 — Furnace Control Board
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Product Description
White-Rodgers 50M56-743 — Furnace Control Board
Overview
The White-Rodgers 50M56-743 is an OEM-quality replacement Control Board engineered for HVAC technicians and facilities managers who need a reliable, fast solution for systems including Goodman / Amana. The 50M56-743 meets or exceeds original factory specifications, ensuring your equipment returns to full rated performance without callbacks. Trusted by HVAC service professionals across the United States, the White-Rodgers 50M56-743 ships new in original packaging with a 1-year warranty from Cooling Parts Supply.
Key Features
- Hot surface ignition (HSI) control with integrated fault code diagnostics via LED indicators
- Pre-programmed replacement for Goodman / Amana — plug-and-play installation, no parameter setup required
- Integrated blower speed control manages multi-speed ECM and PSC motors
- 24V AC control circuit with full protection: pressure switch, limit, and flame sensor inputs
- Diagnostic LED display outputs standard industry fault codes for fast troubleshooting
- Conformal-coated PCB resists humidity and corrosion in challenging mechanical room environments
Technical Specifications
| Model | 50M56-743 |
| Brand | White-Rodgers |
| Supply Voltage | 120V AC |
| Control Voltage | 24V AC |
| Ignition Type | Hot surface ignition (HSI) |
| Diagnostic LED | Yes — fault code display |
| Flame Sensing | Rectification type |
| Compatible Systems | Goodman / Amana |
Applications
The 50M56-743 furnace control board manages all sequencing operations in residential and light commercial gas furnaces: draft inducer startup, hot surface ignition, gas valve control, blower motor timing, and safety circuit monitoring. Used by HVAC service technicians for warranty and out-of-warranty board replacements in single-family, multi-family, and commercial HVAC applications. Compatible with Goodman / Amana.
Frequently Asked Questions
What is the White-Rodgers 50M56-743 used for?
The White-Rodgers 50M56-743 is a replacement Control Board designed for HVAC systems including Goodman / Amana. It is used by HVAC technicians and facilities managers to restore full system operation quickly with an OEM-equivalent part.
Is the 50M56-743 compatible with Goodman systems?
Yes. The 50M56-743 is fully compatible with Goodman / Amana. It is designed as a direct OEM-equivalent replacement requiring no modifications to existing wiring or mounting hardware.
Where can I buy the White-Rodgers 50M56-743?
The White-Rodgers 50M56-743 is available at Cooling Parts Supply (coolingpartssupply.com) with Free UPS Ground Shipping on all orders. We ship across the United States with same or next business day processing.
What is the warranty on the 50M56-743?
All White-Rodgers 50M56-743 units sold by Cooling Parts Supply include a 1-year warranty against defects. Contact support@coolingpartssupply.com for warranty claims or technical support.
Specifications
| Brand | White-Rodgers |
|---|---|
| Product Type | Control Boards |
| SKU | 50M56-743 |
| Condition | New |