The Manrose WF150BH is a 6 Inch (150mm) window-mounted axial extractor fan designed for larger bathrooms, utility rooms and light commercial applications where automatic humidity control and timed overrun are required.
This model incorporates an adjustable humidistat (40–95% RH) with an integral adjustable run-on timer (1–20 minutes), allowing the fan to operate automatically in response to moisture levels and continue running after humidity has reduced.
The WF150BH delivers an extraction rate of 230m³/hr (64 l/s) and operates at a sound level of approximately 40 dB(A), making it suitable for continuous-use environments without excessive noise.
Manufactured from high-gloss ABS thermoplastic, the fan offers long-term durability and easy cleaning. It is powered by a single phase induction motor with pre-oiled bearings for maintenance-free operation and long service life.
Installation note: Designed specifically for window mounting. The unit is double insulated and does not require an earth. Designed to comply with Building Regulations Part F (F1).
- 150mm (6 Inch) window-mounted axial extractor fan
- Adjustable humidistat (40–95% RH)
- Integral adjustable run-on timer (1–20 minutes)
- Extraction rate: 230m³/hr (64 l/s)
- Approx. sound level: 40 dB(A)
- High-gloss ABS thermoplastic construction
- Single phase induction motor with pre-oiled bearings
- Double insulated – no earth required





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