Products VRF - Split Systems BD4W**SAK


Reznor VRF Systems

Find out why Reznor is the easy choice in VRF systems.


Model BD4W**SAK is part of the VRF line of heat pump systems. It is designed to be installed recessed into the ceiling with 4-way air discharge for strong, balanced air flow. The DC inverter motor improves efficiency by 30% over conventional motors. This model provides ultra-quiet operation with many other features including seven fan speeds, and auto operation. The wireless remote makes controlling this unit a breeze.

Heating Range ( kW )

Cooling Range ( kW )

Airflow Range ( CFM )

Sound Range (Typical Install) ( dB )

Heat Pump System

4-Way Air Discharge

Ultra-Quiet Operation

Seven Fan Speeds

Intelligent Condensate Pump

  • Can pump water up to 3 feet vertically
  • Condensate drains from several units can be combined for easy installation

DC Inverter Motor for Improved Electrical Efficiency

Protection Features

  • Freeze protection
  • Fan motor overload
  • Temperature sensor malfunction protection

Remote Controller

  • Wireless controller (standard)
  • Wired controller (optional)
  • Both controllers can be used together

Air Filter

  • Air purifier can absorb dust, pollen, and bacteria as small as 1 micrometer

2 Files


Flyer - VRF
Overview of VRF line of equipment.
Download File
218.9 kB
Heating, Cooling, Ventilation & VRF Product Line
Heating, Cooling, Ventilation & VRF Product Line Sheet
Download File
630.7 kB

Technical Data
1 File

Technical Data

Catalog - VRF
VRF and mini-split marketing catalog
Download File
4.9 MB

3 Files


Unit Installation Manual - BD4W**SAK
Installation manual for Model BD4W**SAK
Download File
2.2 MB
Option - Installation - VRF Remote Control
Installation of wired controller for VRF systems
Download File
6.0 MB
Field Service - Replacement of Discontinued Relays
Installation for kits designed to replace relays no longer available from suppliers. Applies to all Reznor units using obsolete relays.
Download File
340.4 kB

Other Files
1 File

Other Files

Warranty Statement
Reznor equipment limited warranty statement
Download File
183.4 kB

Product News : Announcing Reznor VRF Line

If you attended the AHR show in Orlando this year, you got the first glimpse of the the new Reznor Variable Refrigerant Flow (VRF) line on display.