50A65-121 | Lennox Furnace Control Circuit Board 24V
Lennox · HVAC & Building Controls
Description The Lennox 50A65-121 is a furnace control circuit board with integrated Silicon Nitride ignition and Sure Light technology for dependable furnace operation. Operating at 24 V with a 50 A rating, it serves as an OEM upgraded White-Rodgers replacement kit for Lennox heating systems. Technical Specifications Condition New/Never Used Surplus Brand Lennox Category Control Boards Part Number 50A65-121 Subcategory Furnace Control Boards Function Furnace control and ignition management Voltage 24 V Amperage 50 A Ignition Type Silicon Nitride, Integrated Ignition Technology Sure Light, OEM Upgraded White-Rodgers Replacement Kit Heating System Furnace Application Residential HVAC heating systems Power Phase Single-phase Mounting Panel mounted Weight 1 lb Information About 50A65-121 The 50A65-121 is part of Lennox’s Sure Light series of furnace control boards, designed to improve ignition reliability and furnace safety. It features integrated Silicon Nitride ignition technology, providing efficient burner startup and consistent heating performance. As an OEM upgraded White-Rodgers replacement kit, the board is directly compatible with Lennox systems, simplifying installation and ensuring dependable operation. Compact and lightweight, the 50A65-121 offers stable system control while supporting critical furnace functions such as ignition sequencing, fan regulation, and safety monitoring. Key Features: Integrated Ignition Technology: Uses Silicon Nitride ignition for reliable, efficient burner lighting. Sure Light Performance: Incorporates Lennox’s Sure Light system for consistent ignition and reduced misfire risks. OEM Replacement Compatibility: Serves as a White-Rodgers upgraded kit designed specifically for Lennox furnaces. Electrical Capability: Operates at 24 V single-phase with a 50 A rating, ensuring stable performance under load. Multi-Function Control: Coordinates ignition sequence, blower operation, and safety shutdowns within the furnace. Compact and Lightweight Build: Weighs only 1 lb, making it easy to handle and install during replacements. System Reliability: Enhances long-term furnace efficiency by providing consistent and accurate control. The 50A65-121 delivers the reliability and precision required for safe ignition management and system control in Lennox furnace systems.
Brand: Lennox · Category: HVAC & Building Controls
Key features
- Integrated Ignition Technology: Uses Silicon Nitride ignition for reliable, efficient burner lighting.
- Sure Light Performance: Incorporates Lennox’s Sure Light system for consistent ignition and reduced misfire risks.
- OEM Replacement Compatibility: Serves as a White-Rodgers upgraded kit designed specifically for Lennox furnaces.
- Electrical Capability: Operates at 24 V single-phase with a 50 A rating, ensuring stable performance under load.
- Multi-Function Control: Coordinates ignition sequence, blower operation, and safety shutdowns within the furnace.
- Compact and Lightweight Build: Weighs only 1 lb, making it easy to handle and install during replacements.
- System Reliability: Enhances long-term furnace efficiency by providing consistent and accurate control.
Specifications
| Manufacturer part number | 50A65-121 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Lennox |
| Category | Control Boards |
| Part Number | 50A65-121 |
| Subcategory | Furnace Control Boards |
| Function | Furnace control and ignition management |
| Voltage | 24 V |
| Amperage | 50 A |
| Ignition Type | Silicon Nitride, Integrated Ignition |
| Technology | Sure Light, OEM Upgraded White-Rodgers Replacement Kit |
| Heating System | Furnace |
| Application | Residential HVAC heating systems |
| Power Phase | Single-phase |
| Mounting | Panel mounted |
| Weight | 1 lb |
| Product type | Furnace Control Boards |
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