Product  12 of 36

  1. Maxi Heat Recovery

    Our Price:   £1,549.00

    £1,858.80 inc. VAT
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    Whole house ventilation unit with heat recovery. For wall or loft installation in homes and offices. EC motor for high efficiency low energy usage. Recovers up to 92% of heat from extracted, polluted air.

    Up to 124 litre/sec at 50Pa - max 130 litre/sec capacity.
    Specific Fan Power from 0.40 w/l/sec.
    Continuous running - choice of trickle and boost speeds.
    low noise levels and running costs.
    complies with Building Regulations Parts L1 2010 and F 2010
    manufactured in UK to ISO 9001.
    SAP Q Eligible.
    With or without summer bypass.
    With electronic control "Plus".
    Up to 124 litre/sec at 50Pa - max 130 litre/sec capacity for areas up to 230m2.
    up to 92% of heat recovered.
    easy to install and maintain.
    for fitting vertically into lofts, or cupboards wall fixing bracket supplied.
    variable low (trickle) and boost options.

    boost speed triggered by a switched live connection from:
    a light switch (if more than one light switch is used, each one must be a double pole switch)
    DRH240 (dynamic remote humidistat)
    PIRFF (passive infra red)
    THM (thermostat)
    a remote switch/pull cord
    low noise levels
    low running costs
    extra security - no need to open windows
    . The unit is to give low level, continuous ventilation to a kitchen and up to eight other wet rooms and should be for cupboard, loft or false ceiling installation recovering up to 92% of heat from extracted air separating the airflows using a counter flow heat exchanger. The unit should incorporate a low energy EC brushless motor for low noise levels and low energy consumption with an SFP down to 0.40 w/l/s. It should have as standard: independent variable speed adjustment for boost and trickle; boost setting with integral overrun timer; optional delay-on timer and integral frost-stat.
    It should also have the facility for: change of ductwork handing; purge boost; BMS connections; integral proportional dynamic humidistat; and an automatic summer bypass. The unit should comply with Part L1 2010 and Part F 2010 of Building Regulations, be EU RoHS Directive Compliant, conform to the requirements of EC Council directives relating to Electromagnetic Compatibility and Electrical Safety: 2006/95/CE (LVD), 2004/108/CE (EMC), EN 60335-2-80, be CE marked and SAP Q Eligible

    • WHHR Maxi L - left drain
    • WHHR Maxi R - right drain
    • WHHR Maxi HL - humidistat, left drain
    • WHHR Maxi BL - bypass, left drain
    • WHHR Maxi BR - bypass, right drain
    • WHHR Maxi BHL - bypass, humidistat, left drain
    • WHHR Maxi BHR - bypass, humidistat, right drain

    This price is for the WHHR Maxi HL - humidistat, left drain version, please ask for other prices.
    Download specifications HERE.

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