71G3201 | Lennox Furnace Control Circuit Board for Gas Heating Systems

Lennox · HVAC & Building Controls

Description  The LENNOX 71G3201 Control Circuit Board is a furnace control module designed to manage ignition, blower operation, and safety monitoring in gas heating systems. Identified by part number 71G3201, this board ensures coordinated control of critical furnace functions for stable and reliable operation. It is used as a direct replacement control solution in compatible Lennox furnace applications.     Technical Specifications  Condition New/Never Used Surplus Brand Lennox Category HVAC Controls Part Number 71G3201 Subcategory Furnace Control Boards Model Name TSC-2 Alternate Model Number LR13413C Control Type Integrated Furnace Control Application Gas Furnace Systems Voltage Rating 24 VAC Control Circuit Ignition Type Supported Electronic Ignition Mounting Type Panel / Furnace Cabinet Mount Interface Type Wired Connections to Sensors and Motors Housing Type Open Control Board Assembly Operating Environment Indoor HVAC Equipment Weight Approx. 0.6 lb     Information About 71G3201 The 71G3201 is part of Lennox’s integrated furnace control board lineup engineered for residential gas furnaces requiring precise electronic management. It features a compact control board assembly with integrated circuitry designed to interface directly with furnace sensors, ignition components, and motors. The board supports coordinated timing and safety logic to maintain proper heating cycles and system protection. It is intended for use in compatible Lennox furnace models where dependable control and accurate signal processing are required. Key Features: Integrated Furnace Control Logic: Manages ignition sequencing, blower timing, and safety shutdown functions. Gas Furnace Compatibility: Designed for use in various Lennox gas furnace models requiring the TSC-2 platform. Safety Monitoring Functions: Interfaces with limit switches, flame sensors, and pressure switches for system protection. Blower Motor Control: Regulates blower operation to support proper airflow during heating cycles. Ignition Control Support: Coordinates with silicon nitride igniters for reliable burner ignition. Compact Control Board Design: Integrated circuitry and mounting layout allow direct installation in furnace cabinets. Electrical Interface Terminals: Provides clearly defined connection points for furnace wiring and sensors. OEM Replacement Form Factor: Matches original specifications for seamless replacement without modification. Stable Signal Processing: Ensures accurate timing and control signals for consistent furnace performance. The 71G3201 delivers the reliability and precision required for residential gas furnace control and safety management.

Brand: Lennox · Category: HVAC & Building Controls

Key features

• Integrated Furnace Control Logic: Manages ignition sequencing, blower timing, and safety shutdown functions.
• Gas Furnace Compatibility: Designed for use in various Lennox gas furnace models requiring the TSC-2 platform.
• Safety Monitoring Functions: Interfaces with limit switches, flame sensors, and pressure switches for system protection.
• Blower Motor Control: Regulates blower operation to support proper airflow during heating cycles.
• Ignition Control Support: Coordinates with silicon nitride igniters for reliable burner ignition.
• Compact Control Board Design: Integrated circuitry and mounting layout allow direct installation in furnace cabinets.
• Electrical Interface Terminals: Provides clearly defined connection points for furnace wiring and sensors.
• OEM Replacement Form Factor: Matches original specifications for seamless replacement without modification.
• Stable Signal Processing: Ensures accurate timing and control signals for consistent furnace performance.

Specifications

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