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R40403-003 Furnace Blower Control Circuit Board Fits for 40403-001, 40403-002, 20054502, ST9120A B C Blower Controls by Zuqioia - Used condition

R40403-003 Furnace Blower Control Circuit Board Fits for 40403-001, 40403-002, 20054502, ST9120A B C Blower Controls — Open-Box, 36% Off

Brand: Zuqioia

Condition: Used - Mint
$2564
$3989
-36% Save $1425
Updated: 3 days ago

Description

✅ Wide Compatibility – Directly replaces R40403-001, R40403-002, R40403-003, 20054502, and ST9120A/B/C blower controls. Compatible with Armstrong, Ducane, Lennox, and other major furnace brands. ✅ Also Replaces R40403-001, R40403-002, R40403-003, 20054501, ST9120C 2010, 1138-83-1002A, 87H88, R20054502, R38493B001, 87H8801. 1138-100, 1711, HCSI PLC=0, 164322, T9AV5D12-22, 16391, CPC E 94V0, 1138-83-1003A. ✅ Precise Electrical Specifications – Operating line voltage: 85–135 VAC, 50/60Hz. Secondary control voltage: 18–30 VAC, 50/60Hz. Max blower load: 15FLA/30LRA @120VAC; 7.5FLA, 15LRA @ 240 VAC. Max Inducer load: 3FLA, 10LRA @ 120 VAC; 1.5FLA, 5LRA @ 240 VAC. ✅ Upgraded Durable Design – Engineered with industrial-grade PCB materials and high-temperature resistant components. Features moisture and dust-resistant coating for stable performance in demanding conditions. ✅ Plug-and-Play Installation – No wiring modifications needed. Works seamlessly with original wiring. Recommended: photograph existing wiring before disconnecting for easy reinstallation. ✅ Multi-Protection Safety Features – Includes a replaceable 5A fuse, supports pressure and high-limit switch inputs, and offers adjustable blower delay for reliable and safe operation. ✅24/7 Customer Support: Enjoy hassle-free installation guidance, quality assurance, easy returns/exchanges, and a 100% satisfaction guarantee.

Restore Peak Performance to Your Furnace with Our R40403-003 Blower Control Board

Is your furnace acting up due to a faulty control board? Avoid costly service calls and prolonged discomfort. Our R40403-003 Furnace Blower Control Board is the direct, reliable replacement you need to get your HVAC system running smoothly and quietly again. Engineered for seamless compatibility and durable performance, it’s the smart choice for professional technicians and skilled DIYers alike.

Extensive Compatibility – The Ultimate Replacement Solution

This board is designed as a universal drop-in replacement for a wide range of obsolete models. It seamlessly replaces R40403-001, R40403-002, 40403-003, 20054502, ST9120A/B/C, 20054501, 1138-83-1002A, 87H88, R20054502, and many more. Please check the product listing for the full list of compatible part numbers to ensure a perfect fit for your system.

Precision Engineering for Reliable Operation

Built to meet or exceed original specifications, this control board ensures your furnace operates safely and efficiently.

  • Operating Voltage: 85-135 VAC, 50/60Hz.
  • Control Voltage: 18-30 VAC, 50/60Hz.
  • Robust Load Handling: Manages blower motors up to 15FLA (120VAC) and inducer motors up to 3FLA (120VAC).
  • Additional Outputs: Includes dedicated terminals for a humidifier and electronic air cleaner (each 0.8A, 115 VAC).
  • Integrated Protection: Features a user-replaceable 5-amp automotive-type fuse to safeguard the 24-volt circuit.

Built to Last with Safety in Mind

We understand that reliability is non-negotiable for your heating system.

  • Premium PCB Material: Constructed from high-quality, flame-retardant circuit board material.
  • Moisture Resistant: Treated with a protective coating to resist moisture and corrosion, ensuring stable performance even in demanding conditions.
  • Intelligent Control: Accurately processes inputs from the thermostat (W, Y, G), pressure switch, and limit switches to control both the multi-speed blower and inducer motor.

Easy Installation, No Hassle

Get your system back online quickly. This board is designed for a straightforward installation process.

  • True Direct Replacement: No wiring kits or modifications are typically needed. It connects directly using your system's existing wiring harness.
  • User-Selectable Settings: Configure blower on/off delays easily via the integrated DIP switches, allowing for customization to your specific furnace model.
  • Includes Instructions: A clear user manual is included to guide you through the installation.

Ideal For:

  • Professional HVAC Technicians seeking reliable replacement parts.
  • Experienced DIY Homeowners comfortable with furnace maintenance.
  • Replacing outdated or malfunctioning blower control boards in residential furnaces.

Don't let a failed control board leave you in the cold. Order the R40403-003 today and enjoy a warm, worry-free home with confidence!

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Product Details

SKU:
awhd-us-b0fp4n3yjf
Model:
R40403-003
Country:
US
ASIN:
B0FP4N3YJF

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $14 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
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