Quality must be traceable. Here we bring together the VIZIO manufacturer declaration, our technical background and independent laboratory reports for selected WERTACH QUELLE filters and systems.
A manufacturer declaration, membership, test report and certification provide different kinds of evidence. We identify the issuer, the product covered and the period documented.
VIZIO: responsibility for engineering and quality
VIZIO GmbH
Our manufacturer declaration
The VIZIO declaration dated November 2024 records the conformity statements, standards and functional tests specified at that time. Its scope includes the VZFX01 and VZFX51 ranges. The complete original also includes other ranges offered at the time.
Manufacturer declaration 2024 · PDFExamples from the ranges named in the declaration:
DVGW member company
VIZIO GmbH is a member of DVGW, the German Technical and Scientific Association for Gas and Water. Professional exchange on drinking water, materials and technical rules is part of our approach to quality.
Drinking-water suitability: certification in progress
We are currently working through the certification process for the drinking-water suitability of our taps. Once completed, we will publish the issued certificate together with the models and test scope it actually covers.
Technical documentation for components
Our component documentation contains confidential information about materials, suppliers and design solutions. To protect the technical know-how we have developed over decades, these documents are not published in full.
VIZIO provides the necessary documentation to the responsible testing bodies and competent authorities as part of their respective assessments.
Historical component testing
Our archive holds documents from 2017 and 2018 for selected aerators, cartridges and hose materials, including KTW, ACS and AS/NZS 4020 evidence. The validity periods stated in these documents ended between 2021 and 2023. They record the testing history at that time, not current certification of all VIZIO products. Each document relates to the specific component tested.
Experience, standards work and our own development
Our tap engineering draws on around 40 years of industry experience. Practical work with laboratory-equipment requirements has shaped our approach to materials, construction and safety.
Standards work documented since 1998
A letter dated 12 April 2000 from the DIN Standards Committee for Laboratory Devices and Equipment confirms our technical lead’s voluntary participation in European standardisation for laboratory taps since 1998. This is concrete evidence of the professional experience behind VIZIO, not a product certification.
DIN letter dated 12 April 2000 · PDFDevelopments with a documented IP history
Our development records include technical inventions and distinctive designs. Examples from the intellectual-property overview dated June 2026:
- 2020: registration of European design family 007535240.
- 2022: registration of European design family 009062664.
- 2024: Italian patent 102022000006137 granted on 14 March 2024 for a dispensing device and a system incorporating such a device.
Official registers for independent verification
Enter 102022000006137 in the UIBM register. For the design families, search the EUIPO register for 007535240 or 009062664. The registers identify the rights holders, registrations and documented legal status.
UIBM · patent searchEUIPO · design searchIndependent laboratory reports for WERTACH QUELLE
The original reports below relate to the named filters, systems and test configurations. They are available directly from VIZIO.
HygCen Germany · BACTERIAL RETENTION
IN-SIDE 5in1 hygiene filter
HygCen tested the retention of Brevundimonas diminuta ATCC 19146 in three WQ-HF38-INSIDE specimens. The certificate records retention above 99.99999% under the stated test conditions.
VIZIO catalogue reference: VZFILT101 · IN-SIDE 4-in-1. The HygCen documents identify the same filter as WQ-HF38-INSIDE / 5in1. The evidence applies to the test configuration described in those documents.
View product · VZFILT101What exactly was tested?
The microbial-retention test addressed section 9.2 of DIN EN ISO 13408-2:2018. Other requirements of this standard were not investigated. This is a result for the specified filter, not a blanket certification of every tap or complete system.
INDIKATOR · PARTICLE RETENTION
Biella Basic: TiO₂ particle test
INDIKATOR investigated a Biella Basic reverse-osmosis unit with new filters using a titanium-dioxide dispersion. The report records removal of more than 99.999% of nanoparticles within the measurable range. No TiO₂ particles were detected in the tested permeate within the specified measurement range.
VIZIO catalogue reference: VZWQBIELLA02 · Biella countertop water system. The reports identify this model as Biella Basic. The respective test configuration and parameters tested remain decisive.
View product · VZWQBIELLA02What exactly was tested?
The result applies to the stated TiO₂ particles, configuration and measuring method. It does not establish removal of every substance or every type of particle.
PiCA · WATER ANALYSIS
Biella Basic: plasticiser analysis
PiCA analysed water from the pure-water jug of a new Biella Basic unit. The plasticiser parameters listed in the report were below their respective reporting limits. The full table identifies the parameters, methods and limits.
VIZIO catalogue reference: VZWQBIELLA02 · Biella countertop water system. The reports identify this model as Biella Basic. The respective test configuration and parameters tested remain decisive.
View product · VZWQBIELLA02What exactly was tested?
The result relates to the submitted sample and analysed parameters. Below a reporting limit does not mean absolute absence of all plasticisers.
Environmental responsibility and registrations
Packaging-scheme participation and electrical-equipment registration are part of responsible market participation. The available documents are listed with their actual dates.
The right evidence for the right product.
Tell us the article numbers of your tap and filtration system so we can identify the configuration, test scope and relevant evidence. Linked test reports and manufacturer documents are provided unchanged. Privacy-redacted copies are explicitly identified.
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