Vent-Axia 477436B Silent Fan with Humidistat Timer
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Vent-Axia 477436B Silent Fan with Humidistat Timer
The Vent-Axia 477436B Silent Fan with Humidistat is a premium bathroom extractor fan designed to deliver powerful ventilation with ultra-quiet performance. Engineered for modern homes, this intermittent extractor fan automatically controls moisture and humidity levels, helping to reduce condensation, dampness, and mould buildup in bathrooms, toilets, and utility rooms.
Featuring an intelligent humidistat sensor and adjustable timer overrun function, the fan activates automatically when humidity rises and continues operating after use to ensure effective air extraction. With noise levels as low as 12dB(A), it is one of the quietest bathroom extractor fans available, making it ideal for homes where silent operation is important.
The high-efficiency motor provides reliable airflow while keeping energy consumption low. Its IPX5 rating allows safe installation in bathroom zones, and the slim modern design blends seamlessly into contemporary interiors. Suitable for wall, ceiling, window, and panel mounting, the Vent-Axia Silent Fan offers flexible installation and long-lasting performance.
Perfect for bathrooms, en-suites, shower rooms, and cloakrooms, this fan combines intelligent humidity control, energy efficiency, and whisper-quiet comfort in one stylish ventilation solution.
Key Features
- Ultra-quiet operation from only 12dB(A)
- Built-in humidistat sensor automatically detects moisture levels
- Timer overrun function continues ventilation after use
- Two selectable speed settings during installation
- Energy-efficient high-performance motor
- IPX5 rated for bathroom zone installation safety
- Suitable for wall, ceiling, window, and panel mounting
- Back draught shutters included to reduce airflow reversal
- Helps prevent damp, condensation, and mould growth
- Modern slim and stylish design

Product Specifications
- Brand: Vent-Axia
- Model: 477436B / VASF100HT
- Product Type: Bathroom Extractor Fan
- Fan Size: 100mm / 4 Inch
- Operation Type: Intermittent
- Humidistat: Yes
- Timer: Yes
- Noise Level: From 12dB(A)
- Speed Settings: 2-speed selectable
- Extraction Rate: Up to 21 L/s
- Power Consumption: 2.7W – 4.8W
- IP Rating: IPX5
- Voltage: 230V AC
- Mounting Options: Wall, Ceiling, Window, Panel
- Colour: White
- Warranty: Up to 2–5 Years (retailer dependent)