How to Install a Bathroom Extractor Fan
Quick Answer
Cut a hole in the wall or ceiling, mount the fan housing, connect the wiring (live, neutral, earth), and attach the ducting to the outside vent.
How to troubleshoot How to Install a Bathroom Extractor Fan
Proper ventilation is essential in bathrooms to prevent mould. This guide covers installing an extractor fan, including electrical wiring and ducting.
Step-by-Step Fix
- Turn off the mains power at the circuit breaker.
- Mark and cut a hole in the wall or ceiling for the fan housing.
- Mount the extractor fan housing securely using screws.
- Connect the electrical wires (brown to live, blue to neutral, green/yellow to earth) using a junction box.
- Attach the ducting to the fan spigot and route it to the external wall vent.
- Secure the ducting with duct tape or clamps.
- Attach the front cover grille and restore power to test.
Common Error Codes
| Code | Meaning | Resolution |
|---|---|---|
| Fan doesn't turn on | Wiring issue or tripped breaker | Check connections and reset the breaker. |
| Vibration noise | Fan loose or unbalanced | Tighten screws and ensure the fan is securely mounted. |
Frequently Asked Questions
Do I need an electrician to install an extractor fan?
If you're unsure about wiring, always hire a qualified electrician.
What is the recommended extraction rate for a bathroom?
Minimum 15 litres per second for a standard bathroom.