• 400mm diameter
• Circular duct fan
• Compact design
• High efficiency and low SFP in a real working point
• Low sound level
• Air tight design
• Simple to install, mounting brackets included
• Integrated motor protection
The prio fans is designed for installation in ducts. The casing is manufactured from sheet metal. The fans can be speed-controlled via a stepless thyristor or a 5-step transformer. To protect the motor from overheating, the fans have integral thermal contact with leads for connection to a motor protection device.
Outdoor mounting and wet room applications are possible due to the fans air tight casing and the IP 55 rated terminal box.
The FK mounting clamp (accessory) facilitates easy installation and removal, and prevents the transfer of vibration to the duct.
Manuals & Guides
Systemair Prio 400 Circular Duct Fan AC Motor
Delivery & Returns
Standard UK Mainland Delivery
If you are not in a rush, then we offer standard delivery and your order should be with you between 2-3 working days.
Coronavirus: Due to the increase in demand we can only offer Next Day delivery on selected products. Please contact us on 0161 818 2050 to ensure this option is available for your order.
Next Working Day Delivery
Place your order before 11am Monday to Thursday and receive your order the next working day. Orders placed on Friday before 11am will be processed and delivered on Monday. (Excludes Sunday’s and Public Holidays)
Nominated Day Delivery
We know sometimes you will need an order on a particular date in the future. Simply select this option at checkout and add what date you would like to receive the order. We will then contact you to confirm the date. If you need to change this order date then please contact us ASAP.
Northern Ireland Delivery
We offer a flat fee rate for Northern Ireland orders, and all are 5-7 working day lead times.
Scottish Highlands & Islands Delivery
We only offer a flat fee rate for Scottish Highland & Islands orders, and all are 5-7 working day lead times.
Channel Islands Delivery
We only offer a flat fee rate for Channel Islands orders, and all are 5-7 working day lead times.
No Longer Required
Unwanted goods can be returned for a refund with a 25% restocking charge. As long as the items are as new, unused, in original packaging and fully ready for re-sale we will happily take them back. Buyer pays for return carriage. Goods must be returned within 14 days from the date of delivery. Some items that have been specially imported are no returnable. Bespoke made to order items are non returnable. Please contact us on email@example.com
If you ordered a product incorrectly don't worry, your goods can be returned and replaced for another product on site with a 25% restocking charge. As long as the items are as new, unused, in original packaging and fully ready for re-sale we will happily take them back. Buyer pays for return carriage. Goods must be returned within 14 days from the date of delivery. Some items that have been specially imported are non returnable. Bespoke made to order items are non returnable. Please contact us on firstname.lastname@example.org
Any order that arrives damaged can obtain a replacement or refund. Simply notify us on email@example.com, within 24 hours of delivery and must be accompanied by clear photographs showing both the damaged packaging and and also the damaged item(s).
If the product is faulty then get in touch with us on firstname.lastname@example.org and we will contact our manufacturers to see the issue. Most times it can be resolved quickly as often it is a wiring or connection issue. However if the rarer occasion it can not be resolved the buyer will return the item to us and we will dispatch a replacement upon receipt. Suspected faulty items are 'tested' prior to refund or replacement Simply e-mail email@example.com including your invoice number and details of the fault.
We are sorry but eFans Direct Ltd cannot accept liability for consequential or indirect loss
Help & Advice
Speak to our friendly team
Have a question or need any advice, then email our team at firstname.lastname@example.org and we will get back to you as soon as possible
Our Price Match Promise
We'll try our best to price match any product we sell and it's delivery against any other retailer. Here’s what you need to do to you get the best price:
1. Simply email us at email@example.com
2. Let our friendly team know the product code and a link to where you spotted it
3. Let us work our magic!
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.