Helios Self-closing flap VK 70/40

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Product details

Helios Fans Butterfly Damper VK 70/40

Manufacturer: Helios Fans
Designation: Automatic Butterfly Damper
Type: VK 70/40
Nominal Width of the Duct: 700 mm
Nominal Height of the Duct: 400 mm

Additional Details: Pressure relief damper in a flat design with automatic opening and closing when the fan is turned on or off. Can be used at a maximum airflow velocity of 8 m/s.

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Ventilation technology» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Puag
    0 %
  • 1.Wallair
    0 %
  • 3.Helios
    0.1 %
  • 3.Maico
    0.1 %
  • 3.Suprex
    0.1 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Bird
    Not enough data
  • Bosch Home Comfort
    Not enough data
  • Cata
    Not enough data
  • Europlast
    Not enough data
  • Hastrag
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

How often is a product of this brand in the «Ventilation technology» category returned?

Source: Digitec Galaxus
  • 1.Bird
    0 %
  • 2.Maico
    1.1 %
  • 3.Helios
    2.6 %
  • 3.Sugatsune
    2.6 %
  • 3.vidaXL
    2.6 %
Source: Digitec Galaxus