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Powerful professional construction dehumidifier with up to 60 liters of dehumidification capacity per day, Wi-Fi control, and hot gas defrosting for large rooms and demanding drying tasks.
The WDH-870FW construction dehumidifier is a high-performance air dehumidifier for professional construction drying, water damage restoration, and the dehumidification of large rooms. With a dehumidification capacity of up to 60 liters per day, the unit is suitable for areas of up to approximately 150 m². The integrated Wi-Fi function allows for convenient control via the Tuya Smart App.
In new buildings, renovation projects, or after water damage, large amounts of moisture must be reliably removed from the ambient air. The WDH-870FW has been developed for such demanding dehumidification tasks and achieves a capacity of up to 60 liters of condensate per day under optimal conditions.
With a maximum dehumidification capacity of up to 60 liters per day, the WDH-870FW is among the most powerful construction dehumidifiers. The actual dehumidification performance depends – as with all condensation dehumidifiers – on temperature and relative humidity.
The WDH-870FW can be conveniently operated via Wi-Fi. With the Tuya Smart App, important settings can be adjusted easily from your smartphone. This makes the unit particularly suitable for applications where the construction dehumidifier does not need to be constantly monitored directly at the device.
Additionally, the WDH-870FW features a memory function. Settings are saved even after a power interruption.
The integrated electronic humidistat allows for the setting of the desired humidity level in a range of 30% to 90% relative humidity. As soon as the set target humidity is reached, the compressor and fan can be set to switch off automatically.
This allows the device to operate as needed and eliminates the need for constant, full-power operation.
Low room temperatures can often occur, particularly during basement and construction drying. The WDH-870FW is therefore equipped with automatic hot gas defrosting, which supports reliable operation even at lower temperatures within the specified usage range.
For longer drying tasks, the WDH-870FW can be used in continuous operation mode. In addition to the integrated 7.9-liter water tank, a connection for continuous condensate drainage is available.
With three fan speeds, the air circulation can be adjusted to the respective application. This allows the construction dehumidifier to be used flexibly, both for high-performance drying and for less demanding dehumidification tasks.
| Feature | Technical Data |
|---|---|
| Model | WDH-870FW |
| Dehumidification capacity | up to 60 liters/day at 30 °C / 80% RH |
| Recommended room size | min. 8 m² - max. 150 m² |
| Operating temperature | 5 °C to 32 °C |
| Voltage | 230 V / 50 Hz |
| Power consumption | max. 930 W, average approx. 629 W |
| Noise level | approx. 53 dB(A) |
| Condensate tank | 7.9 liters |
| Humidistat | adjustable from 30% to 90% RH |
| Fan speeds | 3 |
| Defrosting | Automatic hot gas defrosting |
| Wi-Fi | Yes, control via Tuya Smart App |
| Water drainage | Hose connection, inner diameter 12 mm |
| Dimensions (H × W × D) | 610 × 384 × 280 mm |
| Weight | 20 kg |
| Plug | EU plug with CH fixed adapter |
The WDH-870FW achieves a maximum dehumidification capacity of up to 60 liters per day under optimal conditions at 30 °C and 80% relative humidity.
The construction dehumidifier is suitable for rooms and areas of up to 150 m². The actual drying performance achieved depends, among other things, on room temperature, initial humidity, and moisture replenishment.
Yes. With its high dehumidification capacity, the WDH-870FW is particularly suitable for drying after water damage, as well as for basements, renovation properties, and other highly damp rooms.
Yes. The WDH-870FW is suitable for demanding dehumidification tasks in new buildings, renovations, and construction drying.
Yes. The unit is suitable for 24-hour continuous operation. For prolonged unsupervised operation, we recommend directly connecting a suitable condensate drain hose.
Yes. On the back, behind a screw cap with a rubber stopper, there is a connection for continuous condensate drainage. The appropriate hose requires an inner diameter of 12 mm.
The hose must be laid with a downward slope. This allows the condensate water to drain independently and prevents it from backing up into the unit.
Yes. The WDH-870FW has an integrated Wi-Fi function and can be controlled via the Tuya Smart App.
The electronic humidistat can be set to a target humidity between 30% and 90% relative humidity.
Yes. The unit features automatic hot gas defrosting, which supports operation even at lower temperatures.
The noise level is approximately 53 dB(A). For a powerful construction dehumidifier of this class, the device is well-suited for functional drying areas.
The integrated condensate tank has a capacity of 7.9 liters. For longer operating times, we recommend using the direct condensate drain via a hose.
The specified usage range is 5 °C to 32 °C. The automatic hot gas defrosting supports operation at lower temperatures within this range.
Yes. The memory function saves the selected settings so that they are retained after a power interruption.
The WDH-870FW is a powerful solution for professional construction drying, water damage restoration, and the dehumidification of large rooms. The combination of up to 60 liters of dehumidification capacity per day, Wi-Fi control, hot gas defrosting, an electronic humidistat, and continuous operation makes it particularly versatile.
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