Nationwide UK Delivery
Trade Accounts Available
Technical Support
Nationwide UK Delivery
Trade Accounts Available
Technical Support
| Availability | In Stock & Ready to Dispatch |
| Bulk Orders | Project & Bulk Quantities Available |
| In-House Logistics | Reliable Delivery with Standard and Express Shipping Options |
The Systemair DHS Sileo 630 mm Three-Phase Roof Fan (AC Model) is a powerful centrifugal roof-mounted ventilation unit designed for commercial and industrial extraction systems. Built with a horizontal air discharge configuration, it delivers efficient airflow while maintaining quiet operation. The fan features a high-performance backward-curved impeller driven by a reliable three-phase AC external rotor motor for energy-efficient performance. Its weather-resistant construction includes an aluminium housing with a galvanised steel base frame, ensuring durability and long service life in demanding rooftop environments.
Casing: Corrosion-resistant aluminium housing suitable for outdoor and coastal environments.
Base Frame: Heavy-duty galvanised steel base with integrated inlet cone.
Impeller: High-efficiency backward-curved radial impeller made from composite material.
Motor: External rotor three-phase AC motor with thermal protection.
Guard: Powder-coated bird-proof protection guard.
Estimated Delivery: 2–5 Working Days
Shipping costs will be calculated during checkout.
Check delivery options at checkout
The Systemair DHS Sileo 630 mm Three-Phase Roof Fan (AC Model) is a powerful centrifugal roof-mounted ventilation unit designed for commercial and industrial extraction systems. Built with a horizontal air discharge configuration, it delivers efficient airflow while maintaining quiet operation. The fan features a high-performance backward-curved impeller driven by a reliable three-phase AC external rotor motor for energy-efficient performance. Its weather-resistant construction includes an aluminium housing with a galvanised steel base frame, ensuring durability and long service life in demanding rooftop environments.
Casing: Corrosion-resistant aluminium housing suitable for outdoor and coastal environments.
Base Frame: Heavy-duty galvanised steel base with integrated inlet cone.
Impeller: High-efficiency backward-curved radial impeller made from composite material.
Motor: External rotor three-phase AC motor with thermal protection.
Guard: Powder-coated bird-proof protection guard.
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Shipping Information • UK-wide delivery, including Northern Ireland, Scottish Highlands and remote locations. • Orders are processed within 1–2 working days (Mon–Fri). • Standard UK delivery takes approximately 2–5 working days from purchase. • Shipping costs are calculated at checkout based on order size, weight and delivery location. • Free delivery is available on selected orders. Additional charges may apply for large, bulky or remote-area deliveries. • Tracking details are provided once your order has been dispatched. • International shipping is available. Customs duties, taxes and import fees may apply and are the responsibility of the customer. • If your order arrives damaged, incorrect or incomplete, please contact us within 7 days of delivery. For full details, please see our Shipping Policy.
Returns must be requested within 7 days of delivery and approved before being sent back. Items must be unused, undamaged, and in their original packaging. Customers are responsible for return shipping costs, and a restocking fee of up to 25% may apply. Refunds are processed within 3–5 working days after inspection. For damaged, faulty, or incorrect items, please contact us within 7 days of delivery.
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