Product Name
Zehnder refurbishment valve
Manufacturer
Zehnder
Water systems
Pipes and fittings

With the introduction of the new refurbishment valve air intake element, Lahr-based Zehnder GmbH has once again demonstrated its outstanding expertise in the field of comfortable indoor ventilation for the refurbishment of building stock. Europe's market leader for comfort ventilation systems featuring heat recovery has developed an air intake valve that combines easy, cost-effective installation with the most comfortable indoor climate possible.


The Zehnder refurbishment valve can be installed without the need to observe a ceiling clearance or use a wall-mounted ledge; a tapping drill hole is all that is required. As there is no backflow of air, there is no build-up of dust around the valve either. Thanks to its high level of induction and the utilisation of the Coandă effect, the refurbishment valve provides draught-free comfort whilst ensuring that fresh air flows throughout the entire room. When installing a controlled home ventilation system in an older building, the foremost concerns are not just confined to ensuring a healthy indoor climate and maximum energy efficiency; the amount of installation work required and the need to retain the original interior architecture are also hugely relevant. With its new refurbishment valve air intake element, Zehnder GmbH is unveiling an intelligent, exemplary solution that meets all of these requirements at once. As the Zehnder refurbishment valve can be installed without the need for a wall or ceiling clearance, the only requirement when mounting the Zehnder ventilation system is a very flat ceiling suspension for the air distribution system.


This type of ceiling suspension is inconspicuous and therefore has no adverse effect on the ambience within the room. What's more, the refurbishment valve installation process saves a huge amount of time and money, since a wall-mounted ledge is no longer necessary. Keeping these work steps to a minimum means that installation can run smoothly – all that is required to create the aperture for the air intake element is a tapping drill hole. The Zehnder refurbishment valve is also very hygienic in the way it operates. Since there is no backflow of air, the circles of dust, which would otherwise almost inevitably gather around the valve on the wall, are avoided. The annoying chore of sweeping away the dust on the dirty wall around the air outlet is now a thing of the past.


Furthermore, the Zehnder refurbishment valve makes targeted use of what is known as the Coandă effect to provide a particularly comfortable and efficient way of circulating fresh air throughout the room. This special flow effect generated by the design of the new Zehnder air intake element ensures that the flow of supply air initially settles around the room ceiling, resulting in a high level of induction and optimum mixing of the supply air with the room's air, with no troublesome draughts whatsoever. With its refurbishment valve, Zehnder has developed another intelligent solution for the increasingly important building stock refurbishment sector.


This product offers easy and cost-effective ventilation system installation and the most comfortable indoor climate possible. Zehnder is therefore, once again consistently building on what is already an outstanding level of expertise when it comes to refurbishment in the field of home ventilation. The ventilation specialists from Lahr now offer a wide product range consisting of central ventilation devices in the 100 m³/h to 4000 m³/h power range along with two separate air distribution systems. For every set of refurbishment conditions, Zehnder can therefore deliver a custom-made and efficient system solution.

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