Manrose Silent Fan Conceal Timer 4″/100mm

Manrose Silent Fan Conceal Timer 4″/100mm

The Manrose Silent Fan Conceal Timer is a discreet, high-performance extractor fan designed to deliver powerful ventilation with virtually silent operation. Engineered for domestic environments such as bathrooms, en-suites, and cloakrooms, this fan combines a sleek modern aesthetic with advanced functionality, including an integral overrun timer and two-speed motor.

With a noise output as low as 16dB(A) and energy usage of just 7 Watts, it is ideal for users seeking minimal disruption, low running costs, and reliable air extraction. The fan also includes integrated backdraught shutters to prevent cold air ingress when inactive.

Key Features & Benefits

• 100mm (4″) Silent Axial Fan
  Designed for bathrooms, cloakrooms, utility rooms, and other domestic applications.
• Exceptionally Quiet Performance

• • Low Speed: Ultra-quiet at 16dB(A)

  • High Speed: Delivers strong airflow of 21 litres/second (75m³/hour)

• Integrated Timer Function
  Built-in adjustable overrun timer (typically set between 1 to 30 minutes), ensuring continued extraction after the room light or switch is turned off — particularly useful for managing humidity after bathing.
• Two-Speed Operation
  Installer-selectable speed settings to match performance and noise preferences.
• Low Power Consumption
  Energy-efficient motor draws just 7 Watts, reducing environmental impact and utility costs.
• Backdraught Shutters Included
  Integral shutters help block unwanted air, odours, and external draughts when the fan is off.
• Discreet Modern Design
  Flush-mounted concealed fascia with a clean, low-profile finish that suits contemporary interiors.

Technical Specifications

Recommended Applications

• Family and en-suite bathrooms
• Toilets and cloakrooms
• Utility or laundry rooms
• Bedrooms with adjacent bathrooms
• Areas requiring quiet, continuous airflow after lights are off

Installation Notes

• Designed for wall or ceiling mounting using standard 100mm ducting.
• Timer wiring requires permanent live, switched live, and neutral connections.
• Timer overrun begins once the light switch is turned off and runs for the pre-set duration.
• Fan speed should be selected by the installer during setup.
• External ducting kit and grille sold separately.
• Must be installed by a qualified electrician in accordance with IET wiring regulations and local building codes.

Frequently Asked Questions (FAQs)

Q: Is the timer adjustable?
A: Yes, the built-in timer can be set anywhere from 1 to 30 minutes using the adjustment dial on the fan.

Q: Can I install this fan inside a shower enclosure?
A: No. This model is not IP-rated for high moisture zones. For installations in Zones 1 or 2 (near baths or showers), choose an IPX5-rated alternative.

Q: How do I change the fan speed?
A: Speed is selected during installation by adjusting the internal wiring or jumper settings (not switchable during use).

Q: Does the fan run continuously?
A: No, this is an intermittent-use fan with timer functionality. It only runs when switched on, and continues for the set period after being switched off.

Q: Is this fan suitable for use with humidistat control?
A: No, this version includes a timer but not a humidity sensor. If automatic humidity control is needed, consider the Silent Humidistat model.

Warranty & Aftercare

• Warranty:
  Covered by a 3-year manufacturer’s guarantee or 30,000-hour motor life, whichever comes first.
• Technical Support:
  Manrose offers UK-based customer support for technical advice and product queries. Proof of purchase is required for warranty claims.
• Maintenance:

• • Wipe fascia monthly with a soft cloth.

  • Ensure ducting remains free of dust or obstructions.

  • Do not use abrasive or solvent cleaners.

Why Choose the Manrose Silent Conceal Range?

The Manrose Silent Conceal Timer model is engineered for users who value quiet operation, reliable performance, and discreet styling. With its ultra-low noise levels, energy efficiency, and timed overrun functionality, it’s the ideal fan for domestic users who want modern ventilation without disruption.