Systemair KVK Silent 315 EC Fan - 315mm
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Delivery and Warranty
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.
£6.95
Next Working Day Delivery
Place your order before 12pm 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)
£15.95
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.
£15.95
Northern Ireland Delivery
We offer a flat fee rate for Northern Ireland orders, and all are 5-7 working day lead times.
£29.95
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.
£45.95
Channel Islands Delivery
We only offer a flat fee rate for Channel Islands orders, and all are 5-7 working day lead times.
£45.95
Product Details
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Specifications
Product specifications
| Brand | Systemair |
| Model | KVK Silent 315 EC |
| Type | Fully-insulated low-noise box fan |
| Duct connection | 315 mm |
| Airflow (max) | 3056 m³/h |
| Motor | High-efficiency external-rotor EC; 0-10V potentiometer |
| Casing | AluZinc C4; fully insulated (lid + casing), IP54 motor |
| Insulation | High-density mineral wool |
| Max air temperature | +60°C |
| Warranty | 1 Year Manufacturer |
Summary
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The Systemair KVK Silent 315 EC is a fully-insulated, low-noise box fan with circular duct connections, delivering up to 3056 m³/h through 315 mm duct. Both lid and casing are lined with high-density mineral wool for excellent acoustic and thermal insulation.
- Very low noise – fully insulated lid and casing
- High-density mineral wool acoustic/thermal insulation
- Energy-efficient external-rotor EC motor
- Pre-wired 0-10V potentiometer, speed control 0-100%
- AluZinc casing, corrosion class C4 (indoor/outdoor)
- Integrated motor protection and soft-start; Modbus (315-500)
Suitable for
- Noise-sensitive commercial and domestic ventilation
- Supply or extract duct runs requiring quiet operation
Installation
The fan can be installed in any position, indoors or outdoors. The FK mounting clamp (accessory) eases installation and prevents vibration transfer to the duct. Should be installed on a suitable circuit by a qualified electrician.
Specifications
| Brand | Systemair |
| Model | KVK Silent 315 EC |
| Duct connection | 315 mm circular |
| Airflow (max) | 3056 m³/h |
| Motor | External-rotor EC; 0-10V potentiometer |
| Casing | AluZinc C4; fully insulated, IP54 motor |
| Max air temperature | +60°C |
| Warranty | 1 Year Manufacturer |
Product Description
The Systemair KVK Silent 315 EC is a fully-insulated, low-noise box fan with circular duct connections, delivering up to 3056 m³/h through 315 mm duct. Both lid and casing are lined with high-density mineral wool for excellent acoustic and thermal insulation.
- Very low noise – fully insulated lid and casing
- High-density mineral wool acoustic/thermal insulation
- Energy-efficient external-rotor EC motor
- Pre-wired 0-10V potentiometer, speed control 0-100%
- AluZinc casing, corrosion class C4 (indoor/outdoor)
- Integrated motor protection and soft-start; Modbus (315-500)
Suitable for
- Noise-sensitive commercial and domestic ventilation
- Supply or extract duct runs requiring quiet operation
Installation
The fan can be installed in any position, indoors or outdoors. The FK mounting clamp (accessory) eases installation and prevents vibration transfer to the duct. Should be installed on a suitable circuit by a qualified electrician.
Specifications
| Brand | Systemair |
| Model | KVK Silent 315 EC |
| Duct connection | 315 mm circular |
| Airflow (max) | 3056 m³/h |
| Motor | External-rotor EC; 0-10V potentiometer |
| Casing | AluZinc C4; fully insulated, IP54 motor |
| Max air temperature | +60°C |
| Warranty | 1 Year Manufacturer |
Delivery & Returns
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What is the KVK Silent 315 EC for?
A low-noise, fully-insulated box fan for supply or extract on 315 mm circular duct where quiet operation matters.
How much air does it move?
Up to 3056 m³/h free-air through a 315 mm circular connection.
How is it different from the KVK Slim?
The Silent has a fully-insulated casing (lid and body) with high-density mineral wool for lower radiated noise; the aerodynamic performance matches the Slim EC.
How is the speed controlled?
The EC motor has a pre-wired 0-100% potentiometer and accepts an external 0-10V signal or demand sensors.
Can it be mounted in any position?
Yes, indoors or outdoors, in any orientation.
Who should install it?
As a mains fan it should be installed by a qualified electrician; the FK mounting clamp accessory eases fitting.
