17122300003977 Outdoor main control board subassembly US1-KFR78W/BP3T3N1-D31 / 17122300001076
HVAC Express Parts7-Yr WarrantySKU: 17122300003977
Choose Your Configuration
Fast Delivery
Ships from the nearest of our three US warehouses, leaves in 1–2 business days. Shipping policy
HVAC Control Board - Outdoor main control board subassembly
This professional-grade outdoor main control board subassembly is engineered to meet the exact specifications of your HVAC system, ensuring optimal performance and long-lasting reliability. Our control boards are manufactured using high-quality components and undergo rigorous testing to guarantee compatibility and durability.
Designed as a direct OEM replacement, this control board offers seamless integration with your existing system while maintaining the same high standards of performance you expect. The precision-engineered circuitry provides accurate control and monitoring of your HVAC unit's critical functions.
Each board comes with comprehensive technical specifications and is backed by our commitment to quality, making it the ideal choice for both professional technicians and facility maintece teams.
Product Specifications
| Part Number | 17122300003977 |
| Compatible Model | US1-KFR78W/BP3T3N1-D31 |
| Unit Type | Outdoor |
| Application | Outdoor Unit |
| Voltage | 230V |
| Zone Configuration | Multizone |
| Dimensions | 8 9/16*7 1/16*1 13/16 |
| PCB Reference | 17122300001076 |
| Shipping Package Dimensions | 12x10x8, weight 4lb. |
| Reference Code | 100LP237930S0 |
Features & Benefits
- OEM quality replacement part
- Direct fit installation
- Manufactured to original specifications
- Comprehensive quality testing
- Professional grade reliability
Compatibility Chart
| ACIQ |
|
| BLUERIDGE |
|
| BOSCH |
|
| BREEZE 33 |
|
| CanAir |
|
| COMFORT AIRE |
|
| COMFORTSTAR |
|
| Continental |
|
| Convectair |
|
| Cooper&Hunter |
|
| CT Morley |
|
| Direct Air |
|
| Durastar |
|
| DURASTAR SIRIUS HEAT |
|
| ECO AC |
|
| ECO AIR |
|
| Elios |
|
| EMI |
|
| Karda |
|
| KEPLER |
|
| Kerr |
|
| Maxi Air |
|
| MOOVAIR |
|
| MULTI MFG |
|
| NAPOLEON |
|
| Neutral |
|
| Novair |
|
| Perfect Aire |
|
| RELIEF SCIENCES |
|
| SEA BREEZE+ |
|
| Senville |
|
| SlimAir |
|
| TEMP SHIFT |
|
| TRUST AIR CONDITIONERS |
|
Quality Assurance
Every control board undergoes comprehensive testing including electrical functionality, environmental stress testing, and quality control inspection to ensure it meets or exceeds original manufacturer specifications.
Technical Specifications
| part number | 17122300003977 |
| compatible model | US1-KFR78W/BP3T3N1-D31 |
| unit type | Outdoor |
| application | Outdoor Unit |
| voltage | 230V |
| zone configuration | Multizone |
| dimensions | 8 9/16*7 1/16*1 13/16 |
| pcb reference | 17122300001076 |
| shipping package dimensions | 12x10x8, weight 4lb. |
| reference code | 100LP237930S0 |
| sku | 17122300003977 |
| width: (packaged size) | 12.00 (in) |
| height: (packaged size) | 10.00 (in) |
| depth: (packaged size) | 8.00 (in) |
Frequently Asked Questions
Will this fit my system?
This is a replacement/accessory part. Match it to your unit’s model number and specifications before ordering; if you are unsure, contact us with your system model and we will confirm compatibility.
Is this part included with a mini split system, or sold separately?
This listing is for the part on its own. Complete mini split systems list their included components separately on each system’s page.
Do you offer support choosing the right part?
Yes — contact us with your system model number and what you need, and we will help you pick the correct part.
What warranty does it come with?
It is backed by the manufacturer’s limited warranty; professional installation and registration are required to keep coverage valid.