Key Features

• dMEV (decentralised MEV) continuous ventilation for wet rooms

• Automatic humidistat boost + adjustable timer overrun

• Quiet, energy-efficient EC motor with selectable trickle/boost rates

• 100mm (4") spigot — ideal for bathrooms, WCs and ensuites

• Backdraught shutter to reduce heat loss and draughts

• Low-profile fascia for a modern, unobtrusive look

• Wall or ceiling mounting; compatible with rigid/insulated ducting

• Supports compliance with UK Building Regulations Part F when correctly specified and commissioned

What’s Included

• Monsoon MON-DMEVR100HT fan unit with fascia

• Backdraught shutter (pre-fitted on most variants)

• Fixings and installation/user instructions

Ideal For

• Bathrooms, WCs, ensuites and small utilities needing 24/7 extraction

• Retrofits replacing noisy intermittent fans with quiet continuous ventilation

Installation Notes

• Mount near the moisture source; keep duct runs short with gentle bends

• Prefer smooth rigid duct for best performance; seal joints for airtightness

• Core-drill approx. Ø110–115mm for through-wall installs (check kit)

• Provide an isolated fused spur; install to IET Wiring Regulations

• Typical IP rating suitable for bathroom zones when installed per guidance (check manual)

Maintenance

• Wipe the fascia; vacuum the inlet periodically

• Check backdraught shutter and duct seals annually

• Test humidistat and timer seasonally; adjust set-points as needed

Technical Overview (enter your datasheet figures here)

• Duct size: 100mm (4")

• Motor: EC/brushless, continuous trickle + boost

• Controls: Humidistat (adjustable RH) + timer overrun

• Supply: 220–240 V AC, 50 Hz, fused spur

• Protection: IPX (typical for bathrooms – confirm exact rating)

• Finish: White low-profile fascia, easy-clean polymer