Vaillant VAZ-015-070-F1 – feet for floor-standing fan coil unit installation

Product detailed description

Vaillant VAZ-015-070-F1 – legs for floor installation of aroVAIR fan coil units

Vaillant VAZ-015-070-F1 (order number 0010035730) are original mounting legs (base) for the entire range of Vaillant aroVAIR VA 2 CN console – windowsill-type – fan coil units, i.e. for the models VA 2-015 CN, VA 2-035 CN, VA 2-045 CN and VA 2-070/075 CN. It is a practical, affordable accessory that solves a specific, yet in practice fairly common installation problem – the need to place the fan coil unit on the floor where wall or ceiling mounting is, for various reasons, unsuitable or impossible. The designation "015-070" in the name directly indicates that this single set of legs covers the entire power range of the series – from the smallest 1.5 kW unit up to the largest 7 kW unit – so there is no need to specify the exact fan coil model when ordering, as the legs fit the whole VA 2 CN series.

Console aroVAIR fan coil units are designed by default for wall mounting (windowsill-style, under a window) or ceiling mounting (suspended installation). The VAZ-015-070-F1 legs extend these options with a third variant – free-standing floor installation, without the need for anchoring to a wall or ceiling. The unit can thus be placed, for example, under a window in a room where the wall is not suitable for anchoring (a plasterboard partition without sufficient load-bearing capacity, underfloor heating pipework running inside the wall, a historic or heritage-protected façade), or where the investor simply wants a more flexible, subsequently repositionable solution.

Technical parameters

• Product type: mounting legs (base) for free-standing installation of a fan coil unit
• Intended for: Vaillant aroVAIR VA 2-015 CN, VA 2-035 CN, VA 2-045 CN, VA 2-070/075 CN (entire console series, 1.5 – 7.35 kW)
• Mounting method: attached to the underside of the fan coil housing, freestanding on the floor without the need for anchoring to a wall or ceiling
• Purpose: allows floor installation of the unit (e.g. below a window sill) instead of standard wall or ceiling mounting
• Material: metal construction with a surface finish matching the design of the aroVAIR series, dimensioned for the weight of the largest unit in the series (VA 2-070 CN)
• Packaging: a separate part (not included in the fan coil unit's basic package, purchased separately)
• Compatibility: universal for the entire VA 2 CN series, no need to choose different variants depending on the unit's power output
• Country of origin: Germany / EU (manufactured within the Vaillant Group)
• Warranty: 2 years

When you need these legs

The VAZ-015-070-F1 legs are not part of the fan coil unit's basic package – they are purchased separately, exclusively when the unit will not be mounted on a wall or ceiling, but will stand freely on the floor. Typical situations where this choice makes sense:

• Unsuitable load-bearing wall – a plasterboard partition, a thin or insufficiently load-bearing wall that would not withstand the weight of a suspended unit without additional reinforcement work.
• Pipework inside the wall – if underfloor heating pipework, electrical wiring or other services run inside the wall at the planned installation location, complicating or preventing safe anchoring.
• Heritage-protected or otherwise sensitive façades/walls – where drilling and anchoring into the wall is not desired or permitted.
• Additional or temporary installation – if the investor requires a solution that can later be easily relocated to another spot in the room without having to remove anchoring elements from the wall.
• Aesthetic or layout reasons – for example, placing the unit directly below a large window glazing, where a free-standing console is meant to visually appear as part of the windowsill.

Conversely, if the wall at the installation location is sufficiently load-bearing and there is no reason for free-standing placement, standard wall or ceiling mounting (without legs) is simpler and does not require the additional purchase of this accessory.

Installing the legs

Installation of the legs consists of attaching them to the underside of the fan coil unit's housing using the supplied fasteners, according to the Vaillant installation manual for the given unit type. Once the legs are attached, the entire unit is simply placed on a level, sufficiently solid surface (the floor) at the desired location in the room. During installation, pay attention to the following:

• A level and sufficiently solid surface, so that the unit stands stably and vibration or noise from the fan operation is avoided.
• Maintaining a sufficient distance from moisture-sensitive floor coverings, since condensation occurs on the heat exchanger during cooling mode and the unit needs a properly functioning condensate drain.
• Accessibility of the rear side of the unit for hydraulic (supply/return) and electrical connections – in free-standing installation, these connections need to be routed to the unit from below or from behind, through the floor or along the wall, depending on the specific layout solution.
• Sufficient free space in front of and above the unit for unobstructed flow of intake and discharge air, so that performance and noise levels are not adversely affected.

The actual hydraulic and electrical connection of the unit (regardless of whether it stands on legs, on a wall, or under a ceiling) must be carried out by a qualified technician authorised to install heating, cooling and electrical equipment, in accordance with the Vaillant installation manual for the given fan coil model.

Compatibility with the entire aroVAIR VA 2 CN series

A major advantage of the VAZ-015-070-F1 legs is their universality across the entire aroVAIR console series – a single product covers:

• VA 2-015 CN – the smallest unit, with an output of approximately 1.5 kW, suitable for example for a smaller bedroom or bathroom.
• VA 2-035 CN – output of approximately 3.5 kW, suitable for a standard living room or larger bedroom.
• VA 2-045 CN – output of approximately 4.3 – 4.5 kW, for larger rooms or spaces with higher heat gains.
• VA 2-070/075 CN – the most powerful unit in the series, approximately 7.0 – 7.35 kW, for large open spaces or multiple rooms connected to a single circuit.

Thanks to this universality, the legs can be ordered with confidence even before the final selection of the exact fan coil power model, as they fit the entire series without exception.

Relation to other aroVAIR accessories

The VAZ-015-070-F1 legs are part of a broader range of accessories for Vaillant aroVAIR fan coil units, which also includes room controllers of various comfort levels (analogue VA 1-WC DC, electronic VA 2-WC C, digital VA 2-WC D) and sets with a 3-way switching valve for two-pipe connection (VA 2-3VW C for outputs up to 4.5 kW, VA 2-3VW 070C for 7 kW). For free-standing installation on legs, we recommend also planning the choice of controller and any need for a 3-way valve in advance within the same project, as all these components together form a functional fan coil control system.

Maintenance and care

As a purely mechanical, statically loaded element, the legs require almost no specific maintenance; however, we recommend:

• Regularly (at least once a year) checking the tightness of the screw connections between the legs and the unit's housing, as vibration from the fan can gradually cause the connections to loosen slightly.
• Keeping the area around the legs and the underside of the unit free of dust and dirt that could block condensate drainage during cooling mode.
• When cleaning the floor around the unit, taking care that water or cleaning agents do not come into direct contact with the electrical or hydraulic connections on the underside/rear of the fan coil unit.
• In case of visible corrosion, deformation or other mechanical damage to the legs, we recommend replacing them to maintain the stability and safety of the free-standing installation.

Typical placements in free-standing configuration

In practice, the VAZ-015-070-F1 legs are most often used in the following types of spaces:

• Living rooms with large glazed areas – where the fan coil unit is placed directly below the windowsill of a large window or sliding door, similar to a classic radiator, and free-standing floor placement appears architecturally more natural than a unit suspended on a thin partition below the window.
• New buildings with plasterboard partitions – where wall reinforcement for hanging a heavier unit (especially the larger VA 2-070 CN model) has not been prepared in advance, and additional reinforcement of the partition would be more costly than simply adding legs.
• Renovations of older apartments and houses – where pipework (electrical wiring, water pipes) may run inside the walls, complicating safe anchoring at the desired location.
• Commercial and office spaces – where a possible future change in room layout and relocation of the unit to another spot is anticipated, without having to deal with holes left by anchoring elements in the wall.

In all these cases, the legs allow the fan coil unit to retain its full functionality and performance (free-standing installation does not in any way reduce the heating or cooling output of the unit compared to wall or ceiling mounting), while offering a significantly simpler and less invasive installation method.

Aesthetic aspects of free-standing installation

Besides purely practical reasons (unsuitable wall, pipework, heritage protection), investors also choose free-standing installation on legs for aesthetic reasons – a low, slim console standing directly on the floor below a large window can appear in the interior similar to a modern designer radiator, which many architects and interior designers prefer over a unit visibly suspended on the wall above sill level. This choice is common especially in projects that emphasise clean, minimalist interior lines, where technical equipment should be as visually unobtrusive as possible.

Why buy from us

We offer the Vaillant VAZ-015-070-F1 legs as an original accessory directly compatible with the entire aroVAIR VA 2 CN console fan coil range, with a 2-year warranty. If you are planning a free-standing fan coil installation and are unsure whether this variant is suitable for your room, or if you also need advice on choosing a controller or a possible 3-way valve set for your project, we are happy to help you select the right combination of accessories before ordering.

Frequently asked questions