The Manrose QF100SX5 is a 100mm (4") quiet-running axial extractor fan designed for residential bathroom ventilation.
It is specifically engineered to be 60% quieter than standard 4" domestic fans, operating at a noise level as low as 25–27dB(A) at 3 metres.
Key Features & Performance
Quiet Operation: One of the quietest in its class, with sound levels recorded between 25dB(A) and 27dB(A).
IPX5 Rated: Fully compliant for Zone 1 installation, meaning it can be safely installed in bathroom areas prone to water splashes without a low-voltage transformer.
Energy Efficient: Powered by a low-energy motor with a maximum consumption of only 6 to 7 Watts.
Extraction Rate: Delivers an airflow volume of 21 to 25 litres per second (75-90m³/hr)
Durability: Features high-quality, long-life motors rated for at least 30,000 hours of use.
Technical Specifications
Model Manrose QF100SX5 (Standard)
Duct Diameter 100mm (4")
Mounting Wall, Ceiling, or Panel
Control Type Standard / Basic (Remote switching via light or auto sensor)
Safety Class II Double Insulated (No earth required)
Included Integral backdraught shutters to prevent cold air entry
Installation Overview
Siting: Suitable for Zones 1 and 2 of bathrooms and toilets.
Wiring: Designed for fixed wiring only. A double-pole fused spur with at least a 3mm contact separation and a 3A fuse must be used.
Mounting: For wall mounting, a 115mm diameter hole is typically required. It should be fitted at a minimum height of 1.8 metres from the floor.
| Mounting | Wall or Ceiling |
| Size | 100 mm |
| Brand | Manrose |