VK125 : Helios Fans VK 125
Helios / (VK125)
| Code & Description | Price | |
|---|---|---|
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VK125 : Helios Fans VK 125
Note: £24.51 + VAT for new customers using 'WELCNFAN1' discount code!
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£28.84 + VAT £34.61 | |
We accept : 
15% discount with code ‘welcnfan1’
Note: Code can only be used once per customer. Discount codes are entered after selecting shipping method.
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Same day deliveries locally & nationwide (UK mainland only). Price on request — Send message with your order, or call 0161 864 1777.
The Helios VK 125 is a reliable automatic overpressure shutter designed for external air outlets with a 125mm diameter. Built with a conical spigot for simple plug-in installation and a foam sealing strip for added tightness, this unit ensures quick and secure mounting.
The frame and louvres are made from UV-resistant, break-resistant white plastic, providing long-term durability in outdoor environments. The shutter opens automatically when the fan is running and closes when it’s off, effectively preventing backdrafts, debris, and pests from entering the ductwork. The number of louvres varies depending on the unit size. Ideal for residential and commercial ventilation systems.