>B< MaxiPro

>B< MaxiPro

>B< MaxiPro

>B< MaxiPro

10 year warranty upon completion of the training online today

>B< MaxiPro is an innovative press fitting, which is quick and simple to use, providing a secure and permanent joint.  Compared with traditional techniques it significantly improves productivity through greatly reduced installation time and enhanced working flexibility.  >B< MaxiPro is revolutionising pipe jointing in air-conditioning and refrigeration applications.

Benefits summary

Flame-free connection 
Quick and easy - a secure connection within 5 seconds
Secure, permanent 3-point press
No nitrogen purge
No hot works permit required
No risk of fire
Flexible and safe site

Component materials

Refrigerant grade copper body (UNS C12200 min 99.9% pure)
Black HNBR O-ring


Heat pump (refrigerant side)

Compatible refrigerants

R-1234yf**, R-1234ze**, R-125, R-134a, R-290**, R-32**, R-404A, R-407A, R-407C, R-407F, R-407H, R-410A, R-417A, R-421A, R-422B, R-422D, R-427A, R-438A, R-444A**, R-447A**,
R-447B**, R-448A, R-449A, R-450A, R-452A, R-452B**, R-452C, R-454A**, R-454B**,
R-454C**, R-457A**, R-459A**, R-507A, R-513A, R-513B, R-600A**, R-718 and HYCOOL 20
** When using refrigerants classified A2L (lower flammability), A2 (flammable) and A3 (higher flammability) additional/specific standards, local rules and regulations, codes of practice and by-laws may be applicable
Note: >B< MaxiPro fittings are NOT suitable for R-717, R-723, R-764, R-744 refrigerants

In case of questions please always refer to the Technical Brochure or contact us directly.

Operating parameters

Maximum operating and abnormal pressure 48 bar

Temperature range

Max. operating pressure 48 bar
O-ring range -40°C to 140°C (-40°F to 284°F)
UL listing continuous operating temperature 121°C (250°F)
Approved tubes: Copper tube conforming to EN 12735-1, EN 12735-2 or ASTM-B280
Approved oils: POE, PAO, PVE, AB and M

Standards and approvals

ASTM G85 salt spray (fog) test, compliant
EN 14276-2 - - type burst proof test, compliant
ISO 14903 - 7.4 - tightness test, compliant
ISO 14903 - 7.6 pressure temperature vibration tests (PTV), compliant
ISO 14903 - 7.8 freezing test, compliant
ISO 5149-2, EN 378-2 - refrigerating systems and heat pumps - safety and environmental requirements - Part 2: design, construction, testing, marking and documentation, compliant
ISO 5149-2, EN378-2 - strength pressure test, compliant  
UL listed, refrigerant fitting SA44668
UL listed, approved use for field and factory installations
UL 109 - 7 pull test, compliant
UL 109 - 8 vibration test, compliant
UL 1963 - 79 tests of gaskets and seals used in refrigerant systems, compliant


Metric 6mm to 28mm
Inch 1/4" to 1 3/8”

For further information please refer to our Technical Brochure.


For Conex Bänninger, product quality has top priority!

When professionally installed by a trained and certified >B< MaxiPro installer*, and used and maintained in accordance with the installation and maintenance instructions detailed in the >B< MaxiPro Technical Brochure, Conex Universal Ltd. guarantees that >B< MaxiPro fittings as supplied by Conex Universal Ltd. will be free of material defects resulting from errors in manufacture, for ten (10) years from the date of first purchase by an end user.  

*For the installer to be suitably trained and certified for the purposes of this product guarantee the installer must have attended and passed a course on the >B< MaxiPro product held or expressly approved by Conex Universal Limited in relation to the use and installation of the >B< MaxiPro product.

This Guarantee is limited to the repair or replacement of defective product(s) (at the sole discretion of Conex Universal Ltd.). At the request of Conex Universal Ltd. the allegedly defective product(s) must be returned to the adress adjacent** and Conex Universal Ltd. reserves the right to inspect and test the alleged defects.

This guarantee provided by Conex Universal Ltd. does not affect your statutory rights.