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Ships within 48 hours · Estimated delivery Sep 4 - Sep 9
tablets or compatible Testo measuring instruments
60 or 90 minutes depending on selection
Intelligent Summer Bypass & humidity controls - hot air bypasses the heat exchanger during high external temperatures so as heat not introduced back into the property
An adjustable humidistat of between 60 - 90% RH
Zehnder ComfoWell Filter Housing CW-F 320 bathroom-fans-silent-view-all tablets or compatible Testo measuringZehnder ComfoWell filter housing CW F 220. Rectangular compact design for use with a fine pollen filter graded ISO ePM1 >80% (F7), a fine dust filter graded ISO ePM1 >90% (F9) or an active carbon filter to neutralise odours in the supply air duct run. The filter elements are not included with the filter housing and need to be purchased separately. The filter housing can be used individually or in combination with all ComfoWell components. The airtight