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Helios Fans Duct Closure Damper RVS 355

Manufacturer: Helios Fans
Designation: Duct closure damper, automatic
Type: RVS 355
Nominal duct diameter: 355 mm

The RVS 355 duct closure damper from Helios Fans is designed to prevent the ingress of cold air when the fan is not in operation. It works in conjunction with the fan. The damper features a cylindrical housing made of sheet steel with flanges on both sides, allowing it to be directly screwed onto the base plate or flange of the fan. The hole pattern complies with DIN 24155, ensuring quiet operation. It includes a spring mechanism for the outdoor air flow with adjustable holding force.

30-day right of return
24 Months Warranty (Bring-in)

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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
  • 3.Suprex
    0.1 %
  • 5.Europlast
    0.2 %
  • 5.Helios
    0.2 %
  • 5.vidaXL
    0.2 %
  • 8.Sugatsune
    0.3 %

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
  • 4.Sugatsune
    2.2 %
  • 5.Cata
    2.4 %
  • 6.Helios
    2.6 %
  • 7.vidaXL
    2.8 %
  • 8.Puag
    3.7 %
Source: Digitec Galaxus