Fujitsu UTP-PU03B
Fujitsu UTP-PU03B
Hover to zoom
1 Of 5

Fujitsu HFI Flex Zone - Secondary Branch Box - 3 Ports



Write a Review
Free Shipping
  Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Ships in 4-7 Business Days
Shipping Details
*We currently CANNOT ship this product to Canada or any destination outside of the United States

Fujitsu HFI Flex Zone - Secondary Branch Box - 3 Ports
Fujitsu HFI Flex Zone - Secondary Branch Box - 3 Ports
Model: UTP-PU03B
How-To Articles


    The Fujitsu UTP-PU03B Secondary Branch Box is used to connect a Fujitsu AOU48RLXFZ1 Mini Split Outdoor Condenser to multiple indoor units. This branch box supports up to three indoor units, and it comes with the necessary adapters to use it with any multi-zone Fujitsu Mini Split Indoor Units.
  • Electronic Expansion Valve
  • The UTP-PU03B Secondary Branch Box has an internal expansion valve that controls refrigerant flow and reduces noise, ensuring that your home is your home is comfortable and peaceful.
  • Connection Adapter Included
  • 3 x (1/2MF x 3/8FF)
  • 3 x (1/2MF x 5/8FF)
  • Product Compatible With
  • Fujitsu AOU48RLXFZ1 Mini Split Outdoor Condenser
  • Product Note
    The Fujitsu UTP-PU03B is a secondary branch box. A UTP-PU03A primary branch box must be added to your system before UTP-PU03B Secondary Branch Boxes may be used for successive Fujitsu Mini Split Indoor Units. A UTP-SX248A Separation Tube Assembly Kit is required when using multiple branch boxes. Branch boxes are not weather tight enclosures and cannot be mounted outdoors or in damp environments exceeding 80% relative humidity, unless using the Branch Box Outdoor Enclosure, Part #UTP-PX-A. Important Warranty Information: Fujitsu General does not extend its manufacturers warranty to products purchased over the Internet. Any replacement parts that would normally be covered under the manufacturers warranty will be provided by, but only when equipment has been installed by a qualified professional HVAC contractor. Installation by others voids all warranties.
California residents see
WARNING: Cancer and Reproductive Harm -
For more information go to:


General Information
Product Line
Halcyon HFI
Ports Quantity
Electrical Data
60 Hz
Minimum Circuit Ampacity
15 Amps
Gas Connection Size
5/8 Inch
Liquid Connection Size
3/8 Inch
Line Set A Liquid Connection
1/4 Inch
Line Set A Gas Connection
1/2 Inch
Line Set B Liquid Connection
1/4 Inch
Line Set B Gas Connection
1/2 Inch
Line Set C Liquid Connection
1/4 Inch
Line Set C Gas Connection
1/2 Inch
Product Height
7 5/8 Inches
Product Width
33 Inches
Product Depth
14 5/8 Inches
Product Weight
20 Pounds
Shipping Height
11 Inches
Shipping Width
37 Inches
Shipping Depth
17 Inches
Shipping Weight
30 Pounds
Country of Origin
Warranty Information
Parts Warranty Learn More
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years


Fujitsu UTP-PU03B Reviews & Ratings
Be the First to Write a Review
Do you own this product?
Please share your insights with fellow shoppers.

Recommended Accessories

Expert Recommended Accessories Selected by Chris, our Expert
Required Accessories 9
These accessories are required to properly setup/install this product.
Optional Accessories 10

How-To Articles

How to Pick the Perfect Line Set Cover
Installing a line set cover is the icing on the cake for your mini-split system...
How to Remove Condensate from Mini Split Units
Condensation is a term used to describe the process by which water droplets are ...
Mini Split Accessory Buying Guide
If you've spent hours pouring over which mini split system to purchase, you won...
eComfort How-To Library
Articles, Tips and Buying Guides from Our Experts
Media Gallery
Fujitsu HFI Flex Zone - Secondary Branch Box - 3 Ports
Fujitsu UTP-PU03B
Reset View
Customer Review Images