| 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 400E4 Single Phase AC Roof Fan offers quiet, reliable rooftop ventilation for light commercial and residential applications. Powered by Systemair's proven Sileo technology, this single-phase AC motor fan provides steady, efficient airflow with exceptionally low noise output. Its solid weatherproof construction ensures consistent long-term outdoor rooftop performance, making it a dependable ventilation solution for offices, retail spaces, schools, and small commercial buildings.
Estimated Delivery: 2–5 Working Days
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The Systemair DHS Sileo 400E4 Single Phase AC Roof Fan offers quiet, reliable rooftop ventilation for light commercial and residential applications. Powered by Systemair's proven Sileo technology, this single-phase AC motor fan provides steady, efficient airflow with exceptionally low noise output. Its solid weatherproof construction ensures consistent long-term outdoor rooftop performance, making it a dependable ventilation solution for offices, retail spaces, schools, and small commercial buildings.
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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.