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50A50-474 | White Rodgers Furnace Control Board, 25 VAC Input, 0.45 A
- Regular price
- $355.00
- Sale price
- $355.00
- Regular price
-
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Product Description P/N: 50A50-474
Description
The Honeywell 50A50-474 is a furnace control circuit board engineered for integrated management of ignition, blower, and safety systems. Operating at 25 VAC and 0.45 A, this module serves as the central controller—or "brain"—in compatible HVAC systems. Designed for residential and light commercial furnaces, it ensures precise control and safe operation throughout the heating cycle.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Honeywell / Emerson / White-Rodgers |
| Category | Controls & Indicators |
| Part Number | 50A50-474 |
| Subcategory | CPU/Control Board |
| Input Voltage | 25 VAC |
| Frequency | 50/60 Hz |
| Current Rating | 0.45 A |
| Compatibility | Trane, American Standard, Goodman furnaces |
| Control Functions | Ignition sequencing, blower management, safety monitoring |
| Diagnostic Capability | LED indicators or fault code support |
| Installation Type | Plug-in or solder-in replacement |
| Status | Discontinued (surplus availability) |
| Weight | 1.00 lb |
Information About 50A50-474
The 50A50-474 is part of the Emerson/White‑Rodgers series of ignition control boards, widely used in Trane, American Standard, and Goodman furnace platforms. Built for direct compatibility, it replaces earlier part numbers and integrates seamlessly into multiple OEM systems. With embedded timing and diagnostic functions, it interacts with safety sensors and manages sequence logic reliably. Manufactured to match original factory specifications, it’s ideal for repair and refurbishment efforts in legacy heating systems.
Key Features:
- OEM Replacement Fit: Replaces part numbers 50A50-474 and 50A50474 for direct installation.
- 25 VAC Input Voltage: Operates on standard furnace control transformer voltage.
- 0.45 A Current Rating: Provides sufficient current to manage ignition and system components.
- Ignition and Blower Control: Coordinates firing and blower timing for proper heating cycles.
- Safety Monitoring: Continuously checks safety switches and sensors to ensure operational safety.
- Diagnostic Indicators: Includes LEDs or built-in fault codes for streamlined maintenance.
- Surplus Availability: Listed as discontinued by manufacturer, but still available through surplus and aftermarket suppliers.
The 50A50-474 delivers the reliability and precision required for safe furnace operation and serviceability in OEM HVAC systems.
Description
The Honeywell 50A50-474 is a furnace control circuit board engineered for integrated management of ignition, blower, and safety systems. Operating at 25 VAC and 0.45 A, this module serves as the central controller—or "brain"—in compatible HVAC systems. Designed for residential and light commercial furnaces, it ensures precise control and safe operation throughout the heating cycle.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Honeywell / Emerson / White-Rodgers |
| Category | Controls & Indicators |
| Part Number | 50A50-474 |
| Subcategory | CPU/Control Board |
| Input Voltage | 25 VAC |
| Frequency | 50/60 Hz |
| Current Rating | 0.45 A |
| Compatibility | Trane, American Standard, Goodman furnaces |
| Control Functions | Ignition sequencing, blower management, safety monitoring |
| Diagnostic Capability | LED indicators or fault code support |
| Installation Type | Plug-in or solder-in replacement |
| Status | Discontinued (surplus availability) |
| Weight | 1.00 lb |
Information About 50A50-474
The 50A50-474 is part of the Emerson/White‑Rodgers series of ignition control boards, widely used in Trane, American Standard, and Goodman furnace platforms. Built for direct compatibility, it replaces earlier part numbers and integrates seamlessly into multiple OEM systems. With embedded timing and diagnostic functions, it interacts with safety sensors and manages sequence logic reliably. Manufactured to match original factory specifications, it’s ideal for repair and refurbishment efforts in legacy heating systems.
Key Features:
- OEM Replacement Fit: Replaces part numbers 50A50-474 and 50A50474 for direct installation.
- 25 VAC Input Voltage: Operates on standard furnace control transformer voltage.
- 0.45 A Current Rating: Provides sufficient current to manage ignition and system components.
- Ignition and Blower Control: Coordinates firing and blower timing for proper heating cycles.
- Safety Monitoring: Continuously checks safety switches and sensors to ensure operational safety.
- Diagnostic Indicators: Includes LEDs or built-in fault codes for streamlined maintenance.
- Surplus Availability: Listed as discontinued by manufacturer, but still available through surplus and aftermarket suppliers.
The 50A50-474 delivers the reliability and precision required for safe furnace operation and serviceability in OEM HVAC systems.