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Sanfix Fosta


Press connector systems for potable water installations in acc. with DIN 1988 and DIN 50930‑6 as well as heating installations, tested in acc. with DVGW-​ZP 8803.

Press connectors
All sizes with SC‑Contur – accidently unpressed connections become visible during filling the system. The SC‑Contur is certified and fulfils the requirements of the DVGW worksheet W 534, point 12.14, Connectors with forced leakage.
During leakage tests with water Viega guarantees the identification of unpressed connections in the pressure range of 0.1 MPa–0.65 MPa, in the case of a dry leakage test with gases from 22 hPa–0.3 MPa.

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    Green dot on the press connection

    Sanfix Fosta
    • multi-​layer pipe, dimensionally stable, oxygen-​tight in acc. with DIN 4726, white

    Press connector in combination with pipes
    • Sanfix Fosta: d 16/20/25/32/40/50/63

    Area of use Sanfix Fosta
    Potable water
    Compressed air

    The use of the system for other than those described areas of application and media must be approved by the Viega Service Center.

    Operating conditions
    Potable water installations
    • Operating temperature max. 70 °C
    • Operating pressure max. 1.0 MPa
    Heating installations
    • Operating temperature max. 80 °C
    • Operating pressure max. 1.0 MPa
    Irrelevant of the direction of flow, mixed installations are permitted.

    The press connector system Sanfix Fosta is suitable for the creation of potable water installations according to DIN 1988‑200 and EN 806‑2 in consideration of the selection of material in accordance with DIN EN 12502‑1 and DIN 50930‑6. When used for other areas of use and when in doubt about the right selection of material, please contact Viega.
    The DVGW test mark is only valid for the use of original Viega parts - installation of non-​Viega parts is not permitted! The pipes conform to the recommendations of KTW (Plastic in potable water) of the German Federal Environmental Agency and the requirements of the DVGW worksheet W 270. Can be installed inaccessibly without restrictions in acc. with VOB-​C Point 3.2.7. Warranty and ZVSHK transferred liability agreement!

    Sanfix Fosta
    • DVGW-​Reg.-No. DVGW-8803CU0136

    Use of press tools
    The functional safety of the Viega press connector systems primarily depends on the perfect condition of the press tools and press machines used. For this reason, for the production of press connections we recommend the use of Viega press tools and their regular inspection by authorised service points.

    Technical data
    More extensive information and technical data can be obtained from the download are of the Viega homepage:
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