The UPONOR WIRSBO A4020313 QS-style compression fitting assembly connects Uponor piping to stainless-steel, brass, and EP heating manifolds and R20 fittings. This fitting assembly connects 5/16 Inch, 3/8 Inch, 1/2 Inch and 5/8 Inch PEX to the brass manifold or other R20 threaded components. It is sold as a three-piece component set.
Connects Uponor Piping to stainless-steel, brass and EP heating manifolds and R20 fittings
Threads onto manifold loop outlets
Connects Wirsbo hePEX™ or Uponor AquaPEX® tubing to the manifold in radiant heating applications
Product Highlights
This QS-style compression fitting assembly is designed for radiant heating and cooling systems, permafrost protection systems, and turf conditioning systems.
Product Information
Standard Information
Brand: UPONOR WIRSBO
Manufacturer Part Number: A4020313
Technical Specifications
End Size 1 [inch|mm]
5/16"
End Size 2 [inch|mm]
3/4"
End Type 1
QS
End Type 2
ISO 228-G
Operating Pressure 1 [PSI]
160 psi
Operating Pressure 2 [PSI]
100 psi
Operating Pressure 3 [PSI]
80 psi
Operating Temperature 1 [°F]
73 °F
Operating Temperature 2 [°F]
180 °F
Operating Temperature 3 [°F]
200 °F
Material group
Brass
Material o-ring
Nitrile (Buna N)
Prop 65 label required?
Yes
Subcomponent Material
Fitting:
CA 360 Brass
End Style
Compression
Material
Brass
Nominal Size
R20 x 5/16 Inch
Pressure Rating
200 psi
Hex Size
1.37 in
Manufacturer
Uponor
Manufacturer #
A4020313
Series
QS-Style
Temperature Rating
220 deg F
Standard/Approvals
ASTM F 877, CAN/CSA B137.5, ICBO ER 4407, ICBO ER 5143
Application
For Wirsbo Radiant Floor Heating Systems, Wirsbo Permafrost Heating Systems, Wirsbo Snow And Ice Melting Systems