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How MVHR Works diagram
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MRXBOX95AB-WM1 Wall Mounted MVHR Unit

Part of Nuaire's Mechanical Ventilation with Heat Recovery (MVHR) range, suitable for smaller homes up to 100m2 / 1100ft2 new build properties.

Our MRXBOX95AB-WM1 unit has been designed with automatic 100% bypass as listed on the SAP Product Characteristics Database (PCDB).

The units operate by continuously extracting moisture-laden air from ‘wet’ rooms within the property and at the same time drawing in fresh supply air from outside. The heat from the extracted stale air is recovered via a heat exchanger inside the heat recovery unit which becomes tempered then filtered before supplying into the habitable rooms, creating comfortable and well-ventilated homes.

The heat exchanger block within these units can recover up to 95% of the normally wasted heat. The two independent fans have full-speed control for background and boost ventilation rates. 

The unit has a summer bypass function. In warmer months this function automatically activates to ensure the property is being well-ventilated and comfort levels are maintained in the home by continuously drawing in fresh filtered air into the habitable rooms.

MRXBOX95AB-WM1 is the first in our range of compact wall-mounted heat recovery systems, suitable for small to medium-sized properties with a kitchen plus two wet rooms.

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Technical Information

The compact, lightweight MRXBOX95AB-WM1 has been specifically designed for wall installation and is easy to install and maintain with accessible filters. 

Additional Information 

  • Opposite handed configuration available.
  • Summer/Winter Switch (optional)- A two-position switch allowing occupant to have direct control of heat exchanger bypass.
  • Automatic Bypass - In warmer months this function automatically activates to ensure the property is being well-ventilated and comfort levels are maintained in the home by continuously drawing in fresh filtered air into the habitable rooms.

The unit comes with 2 year warranty (including parts and labour).

Features & Benefits

High Efficiency

High Efficiency

Heat exchanger is up to 95% efficient resulting in low SPFs and a high SAP score

Healthy Home

Healthy Living Environment

Improves indoor air quality and prevents condensation by keep moisture levels low

Compliant

Meets Regulations

SAP recognised and meets Part F & L of Building Regulations

Compact

Lightweight and Compact Design

Can be mounted on a wall or in a cupboard, reducing overall noise levels and making less obtrusive for occupants

Cost saving

Low Maintenance Costs

Easy accessible filters from front cover and no tools required

Ancillaries

Sensors

Sensors, Switches, and Detectors

  • MRXBOX95-PIR (Passive Infrared)
    A low voltage sensor detects movement and activates system. Incorporates overrun timer and timer adjustments.
  • MRXBOX95-HUM (Relative Humidity)
    A low voltage sensor activates the system when the RH level is above set point. Incorporates overrun timer and RH setpoint level adjustment.
  • MRXBOX-RFI (Remote Fail Indicator)
    If fan failure occurs, the audio-visual indicator will flash a warning.
MVHR G3 Filters

WM1 Replacement Filter

ISO Coarse replacement filters available to purchase via our Xpress website here. Dimension Size 175mm x 270mm

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If you would like to know more about the MVHR range or have any other questions, please get in touch with us today.
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