Armstrong R40403-003

The Fan Timer Blower Control Board, specifically the Armstrong R40403-003, delivers precise blower timing for reliable HVAC performance. This model acts as a robust replacement for compatible systems, ensuring smooth operation and energy-efficient cycles in Armstrong applications.

Engineered as an HVAC control board, the R40403-003 supports efficient blower cycles and dependable performance. Its durable construction resists wear, while built-in protection safeguards the system against faults. This blower timer is easy to install and integrates smoothly with existing wiring, offering a practical upgrade for both residential and light commercial uses.

• Compatibility: Works with Armstrong HVAC systems and related blower networks
• Programmable timer: Precise on/off cycles to optimize comfort and energy savings
• Durable relay board: High-quality components for long service life
• Easy wiring: Plug-in connections and clear diagrams for quick installation
• Diagnostics & protection: Fault indicators and safeguards for reliable operation