17122300003977 Outdoor main control board subassembly US1-KFR78W/BP3T3N1-D31 / 17122300001076

HVAC Express Parts7-Yr Warranty

17122300003977
Product specifications
Model Number US1-KFR78W/BP3T3N1-D31
Application Outdoor Unit
Dimensions 8 9/16*7 1/16*1 13/16
$179.98 $134.99 Save 25%
Shipping Policy calculated at checkout.
Model: US1-KFR78W/BP3T3N1-D31
Delivery — free on orders over $300

Please note that all delivery dates and estimated transit times are approximate and are not guaranteed. Delivery times may vary due to carrier delays, weather, holidays, peak shipping periods, or other circumstances beyond our control. How delivery dates are calculated

Pickup available at HVAC Express Parts (Hialeah)

Usually ready in 24 hours

Mon–Fri, 9:00 AM – 5:00 PM

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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
  • ACIQ-27Z-HH-M3B
BLUERIDGE
  • BMM27HHC
BOSCH
  • BMS500-AAM027-1CSXHC
BREEZE 33
  • BZ33-HYP273Z2-G2-P
CanAir
  • C28MC328H21
COMFORT AIRE
  • A-VMH28TV-1
COMFORTSTAR
  • CVH-27-3SH
Continental
  • CDHAM-28-O
Convectair
  • 8322-C27-O
Cooper&Hunter
  • CH-HPR28M-230VO
CT Morley
  • MOU-3A27H-2
Direct Air
  • DIRM-28HXPRO28-3Z
Durastar
  • DRA3H28M1A
DURASTAR SIRIUS HEAT
  • DRA3H28M1A
ECO AC
  • EMH-3O27BBH
ECO AIR
  • M3OI-28HFN1-M
Elios
  • DEA27HOM25230X3
EMI
  • MHMZ327DA
Karda
  • 3PAMS27-HH-MZO3
KEPLER
  • ODUM3OK-27HFN1-M
Kerr
  • A-KMH28TV-1
Maxi Air
  • NE-T53-MULTI28E
MOOVAIR
  • DMA27HOM25230X3
MULTI MFG
  • 28MPC3-HH-A
NAPOLEON
  • NDHAM-28-O
Neutral
  • NE-T53-MULTI28E
Novair
  • LEA28MZ-3P-35SK-O
Perfect Aire
  • 3PAMS27-HH-MZO3
RELIEF SCIENCES
  • LANG27OD35-3
SEA BREEZE+
  • HMZ28H424ZMO
Senville
  • SENA-28HF-MOB
SlimAir
  • SHC3Z27VE2AG
TEMP SHIFT
  • TSM3OI28HFN1M
TRUST AIR CONDITIONERS
  • M3H27H/O4S4P

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.