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External Twin Direct and Belt Drive Roof Fans (NALTRF)
External Twin Direct and Belt Drive Roof Fans (NALTRF) manufactured from high grade resistant aluzinc with a performance duty of up to 5.5m3/s. Fans are suitable for operation in ambient temperatures up to 60°C.
All units are suitable for internal and external use and may be installed up to a maximum angle of 5°. (Care must be taken to ensure the back draught dampers operate correctly). Note: fan sizes 1 - 15 are supplied with controls. Fan sizes 16-24 are not supplied with controls - refer to I&M manual.
Learn more about commercial roof extractor fans from our experts.
Please note that this product can no longer be sold within the EU and UK.
Features & Benefits
High Efficiency
Forward curved centrifugal impellor
Operating temperature
Fans are suitable for operation in ambient temperatures up to 60°C
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