The Manrose NVF100H is a highly effective 100mm (4") axial extractor fan equipped with a built-in humidity sensor, offering intelligent, automatic ventilation for bathrooms, toilets, and en-suites. Part of Manrose’s trusted Intervent range, this fan is engineered to detect elevated moisture levels and automatically activate to reduce condensation and prevent damp, mould and unpleasant odours ideal for users seeking a hands-free ventilation solution.
This model provides an airflow rate of 85m³/hr (23 l/s), which is perfectly suited for small to medium-sized rooms. The adjustable humidistat activates the fan when humidity exceeds a set threshold, typically between 50% and 90% RH. This makes the NVF100H especially useful in homes where bathrooms are frequently used or poorly ventilated, offering reliable performance without the need to rely solely on manual switching. The integrated adjustable overrun timer (1–20 minutes) ensures that the fan continues to operate even after humidity levels drop, providing thorough ventilation.
The fan is designed for wall or ceiling mounting and features a clean, compact white ABS casing that suits a variety of interior styles. It operates quietly and efficiently, making it a discreet yet powerful addition to any modern bathroom. Its low-maintenance design and easy installation make it an excellent choice for both new builds and refurbishments seeking improved air quality and damp control.
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