Upgraded R40403-003 Furnace Blower Control Circuit Board, Replacement for ST9120C R40403-001 R40403-002 ST9120A ST9120B, Compatible with Armstrong Allied Ducane Magic Chef
US$16.80
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US$16.80
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by fencebuildersofhouston.com
Free 30-day returns Details
Product details
| Management number | 218624749 | Release Date | 2026/05/03 | List Price | US$16.80 | Model Number | 218624749 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 【Direct Replacement and Wide Compatibility】This furnace blower control board directly replaces R40403-001, R40403-002, R40403-003, and 20054502. It is fully compatible with ST9120A, B, and C controls, and works with Armstrong, Allied, Ducane, Magic Chef, and other major brands
- 【Upgraded Design for Enhanced Durability】Engineered with improved power components to reduce overheating and extend lifespan. Features a 5-amp replaceable fuse for the 24V circuit and a dip switch for adjustable blower delay settings
- 【Precise Technical Specifications】Operating Line Voltage: 85–135 VAC, 50/60Hz. Secondary Control Voltage: 18–30 VAC. Max Blower Load: 15FLA/30LRA @120VAC. Max Inducer Load: 3FLA/10LRA @120VAC
- 【Easy Plug and Play Installation】No wiring modifications needed. Works with original and updated systems. For best results, take a photo of your current wiring before disconnecting to simplify reinstallation
- 【Reliable Performance and Moisture Resistance】Constructed with high-quality PCB materials and precision welding for stable operation. Resists moisture and corrosion, ensuring long-term durability in demanding conditions
| Item Weight | 6.7 ounces |
|---|---|
| Manufacturer | ROBOA |
| Item model number | R40403-003 |
| Batteries required | No |
| Product Dimensions | 6.29 x 5.11 x 1.57 inches |
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