Vaillant wall-mounting bracket, extension 1x aguaFLOW exclusiv VPM…/2 W

Product detailed description

Vaillant wall-mounting bracket, extension for 1 x VPM…/2 W — adding a second aguaFLOW exclusiv station

The 1 x VPM…/2 W extension bracket is a supplementary Vaillant mounting part that allows you to add a second station of the same type to an already existing, separately installed single wall bracket for the aguaFLOW exclusiv fresh water station, without having to buy and install a completely new double bracket from scratch. It is therefore a typical "upgrade" part — it addresses the specific scenario where the installation was originally designed or implemented with only one aguaFLOW exclusiv station on a separate wall bracket, but later (for example, due to increased hot water demand in the building, an extension, a change of building use, or simply a planned gradual build-up of a cascade) a requirement arose to add a second station to the assembly.

Why the extension is cheaper than a complete double bracket

The price difference between this extension bracket (€470) and a complete double bracket (€870) results directly from what each part contains — the extension bracket makes use of the existing supporting structure of the original single bracket and only adds the structural elements needed to attach and hydraulically integrate the second station (an additional supporting segment, plus connecting and mounting elements), while the complete double bracket contains the entire supporting structure for both stations from scratch, including all wall-anchoring points. A customer who already has a functioning single bracket therefore does not pay twice for the part of the structure they already physically own and which remains functional even after the extension.

This choice makes economic sense precisely in the scenario of gradual capacity build-up — an investor who initially neither needs nor can justify investing in double capacity installs one station on a single bracket, and only when actual hot water demand increases (for example, after completion of a further construction phase or a change in building occupancy) purchases the extension part and second station. This strategy allows the investment to be spread over two steps that exactly match the actual development of demand, instead of a one-off investment in full capacity in advance.

Technical design of the extension part

The extension bracket is designed to be mechanically attached to an already existing, properly anchored single bracket for aguaFLOW exclusiv (code 0010014300), together forming a supporting structure that matches the functionality of a full double bracket. Material-wise, it is the same type of steel construction with an anti-corrosion surface treatment as the basic bracket, dimensioned for the additional load of the second station including its filled hydraulic piping. Since the precise distribution of load between the original and the extension part of the bracket depends on the specific structural design, we recommend leaving installation exclusively to a qualified installer following the Vaillant installation manual for this specific part.

Installing the extension — what to prepare for

Before ordering the extension part, it is essential to already have a functioning, installed original single bracket (code 0010014300) with the first aguaFLOW exclusiv station — this extension part is not functional on its own, but supplements the existing structure. During installation, the load-bearing capacity of the wall at the anchoring point must be verified again, this time taking into account the total combined weight of both stations, both parts of the bracket, and the filled piping — i.e. a significantly higher load than with the single bracket alone. If there is any doubt about the load-bearing capacity of the original wall for the planned extension, we recommend consulting a structural expert before ordering the extension part.

The actual installation — mechanically attaching the extension part, installing the second station, its hydraulic connection to the shared primary circuit to the allSTOR exclusiv tank, as well as connection to the cold and hot domestic water piping and to the control system — must be carried out by a qualified installer experienced with cascade installations of aguaFLOW exclusiv. When cascading two stations, the controls must also be set up correctly so that both stations work together efficiently (for example, alternating the load between the two stations or simultaneous operation at peak demand), which is a task beyond ordinary installation and requires expert knowledge of the Vaillant control system.

Compatibility

This extension part is compatible exclusively with the single bracket for aguaFLOW exclusiv, code 0010014300, and is used to extend it with a second station of the same VPM…/2 W series. It is not compatible with the bracket for the auroFLOW exclusiv solar station (variant S) — a separate extension part exists for that. Before ordering, we recommend verifying the exact designation of your existing bracket and station.

Maintenance

After installing the extension, the same maintenance principles apply as for the basic bracket — regular visual inspection of the condition of the wall anchoring points (now bearing the higher load of two stations), checking the mechanical connection between the original and extension parts of the bracket, and monitoring for any signs of corrosion or loosening of joints over years of operation.

Why choose the extension instead of a new complete bracket

If you already have a functioning single bracket with an installed aguaFLOW exclusiv station and need to double the capacity, the extension part represents an economically and practically more advantageous route than removing the original bracket and installing a completely new double version — you save not only on the price of the part itself, but also on the labour associated with any dismantling of an already functioning solution. This option is one manifestation of the modular philosophy of the Vaillant allSTOR exclusiv / aguaFLOW exclusiv system, which allows the investor to adapt hot water preparation capacity to actual demand development without wasting investment already made.

When a cascade of two stations makes more sense than one larger station

With growing demand for domestic hot water, there are basically several possible solutions — either replace the original station with a single higher-output model, or add a second station of the same output alongside the original and operate them in a cascade. The cascade solution has several practical advantages over replacing with one larger station: the original investment in the first station and its bracket remains fully utilised instead of being replaced and devalued; if one of the stations fails, the other remains functional and can (at least partially) cover demand, increasing operational reliability compared to a single larger station, where a failure would mean a complete interruption of hot water supply; and finally, the cascade solution allows capacity to be increased gradually to match actual demand, without having to estimate the final required capacity in advance with a large margin.

On the other hand, it should also be taken into account that a cascade solution requires more complex controls (coordinating the operation of two stations), somewhat more space in the plant room, and higher load-bearing requirements for the wall when both stations are wall-mounted. The decision between a cascade of two smaller stations and one larger station should therefore be based on a specific project analysis — however, for an already existing installation with one station on a separate bracket, adding a second station by way of an extension is generally clearly a more practical and cheaper route than a complete replacement with one larger model.

Ordering the extension — what to have ready

When ordering this extension part, we recommend having ready the exact type designation of the already existing single bracket and installed aguaFLOW exclusiv station, information about the type and load-bearing capacity of the wall on which the original bracket is installed, and an idea of the required output of the second station (usually the same output variant as the first station is chosen so that the cascade is balanced, but in some cases the designer may choose a different combination of outputs depending on the specific demand profile). This information will allow our sales team or installation company to precisely verify compatibility and prepare a complete order, including any other necessary parts (for example additional hydraulic connections or control modules for managing the cascade).

Relationship of the extension to the overall system warranty

When adding the extension part to an already functioning installation, it is important that the installation is carried out by a qualified company following exactly the Vaillant installation manual for this part — an incorrectly performed extension (for example, insufficient securing of the mechanical connection between the original and extension part of the bracket, or incorrect hydraulic connection of the second station) could jeopardise not only the functioning of the cascade, but potentially also the warranty coverage of the already existing first station and its original bracket. We therefore recommend entrusting the extension to the same or a similarly qualified company that carried out the original installation, or to a company with proven references in cascade installations of the aguaFLOW exclusiv system.

From the operator's point of view, it is also practical to ask the installation company, after completing the extension, for an updated record in the equipment's service documentation, containing the type designations of both stations, the date of the extension, and confirmation that it was carried out according to the manufacturer's installation manual. Such a record will make any future service work and warranty claims easier, as the service technician will have a complete overview of the installation's history, from its initial implementation to the later extension with the second station.

Finally, if you are not sure whether an extension or another alternative is the more advantageous solution for your specific case, do not hesitate to contact our sales team before ordering — based on a description of your existing installation and expected future development of hot water demand, we will be happy to recommend the most suitable and most economical route to the required capacity.

Frequently Asked Questions

Broader context — modular planning of hot water preparation capacity

Extension parts, such as this bracket, are a direct manifestation of the modular planning philosophy that Vaillant promotes for the allSTOR exclusiv / aguaFLOW exclusiv system — the investor does not have to estimate future hot water demand with a large margin at the initial implementation and pay for capacity that will not be used at that time, but can gradually adapt the system's capacity to actual demand development. This is particularly advantageous for projects with uncertain or gradual occupancy growth (for example, development projects with a gradual occupancy approval of housing units, or facilities with a planned gradual expansion of capacity).

When planning such a gradual implementation, it is advisable already at the initial installation of the single bracket to take into account the space requirements of a possible future extension — that is, to ensure sufficient free space on the wall next to the original bracket, space for routing additional hydraulic piping to the second station, and ideally also preliminary preparatory piping (for example, blind branches on the primary circuit), which will facilitate future installation of the extension without the need for a more extensive intervention into the already functioning system. Consulting a designer already at the initial design stage can significantly simplify the later implementation of the extension.

It is also advisable, at the initial installation, to document the exact location and type designation of the installed bracket and station (for example, with photographs and an entry in the equipment's service book) — when ordering the extension after several years of operation, it may happen that the original implementation documentation is no longer easily available, and precise identification of the existing equipment will facilitate quick and error-free processing of the order for a compatible extension part without unnecessary delays.