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H&H 800

The H&H800 manual multifunctional negative pressure unit is a basic device designed for residential renovations. Intended for dust control in areas smaller than 40 m² (100 m³), which allows for approximately 6 air changers per hour.

Due to its versatile accessories and range of filters, H&H 800 is well-suited for air filtration, depressurization, odor neutralization, and for temporary ventilation.

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  • Continuously adjustable level of negative pressure – the negative pressure level of the device can be adjusted to the desired level, thus preventing excessive negative pressure, and minimizing the consumption of energy and the production of noise
  • Monitoring the condition of the filters – the orange warning light is lit when approximately 10% of filter capacity remains – the red warning light is lit when filter capacity is fully spent
  • Monitoring of negative pressure requires an add-on device – separate precision pressure gauge HHPM1 or datalogger GDUA
  • Easy and effortless operation – switch the device on, adjust the level of negative pressure with the adjustment wheel using the precision pressure gauge HHPM1, and monitor the condition of the filters with the warning lights
  • Multifunctional – suitable as is for use as an air filtration device, can be used both inside or outside the renovated area, in which case the area can be depressurized using suction connector assemblies and hoses. Combined with a mixing hood and a transport and mixing cart to use as a mixing station. Filter range includes G3, G4, F7, H13, and H14 graded filters, as well as G4 active carbon filters.

Included equipment

  • Filters 1 of each type, G3 pre-filtration mat, G4 coarse filter, H13 micro filter
  • Compact accordion hose Ø125 mm / 5 m, suction connection assembly Ø 125 mm
  • User manual in Finnish and Swedish

See accessories and add-ons

Technical specifications

Depth x Width x Height
390 x 390 x 508 mm
Weight, with G3+G4+H13 filters/without filters
 11,0 kg / 7,2 kg
Air volume without filters, approx.
1000 m3/h¹
Air volume with new filters, approx.
720 m3/h¹ (G3+G4+H13L)
Air volume on MAX setting while the green light is lit
580-720 m3/h¹
Air volume with dirty filters while the red warning light is lit
≤580 m3/h¹
Dirt holding capacity of filters, approx.
320 Pa
Ventilator motor, Ziehl-Abegg
0,17 kW, 1,7 – 1,45 A
Supply current
230 V AC, 50/60 Hz
Adjustable RPM range, approx.
Display 690 and 800
Warning LED for the filters
Display 800s, same as in 800 plus the following:
Pressure (± Pa), Energy (kWh), Operating hours (h)

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    Contact information

    Other information

    Do you require technical consultation?

    H&H Tuonti Espoo

    Lanttikatu 1
    02770 Espoo FIN

    +358 9 5259 030

    H&H Tuonti Oulu

    Myyntimiehenkuja 10 C 4
    90420 Oulu FIN

    +358 9 5259 0328

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