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You are here: Home > Diyer > FAQs > Ventilation > Question

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Frequently Asked Questions

Topic: Ventilation


Q: How far can fans be ducted?

A: It depends on the fan and type of installation. Centrifugal fans can overcome the resistance/back pressure caused by long duct runs and back draughts. The number of bends in the ducting must also be taken into account as too many will affect the fans performance.


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