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'A' energy rating
The SF90B replaces the S90B
So if you have a R90B then this fan is its direct replacement and it will fit in the same space as your existing product and ducting
5m power cable)
a separate three way position switch should be used to achieve this
Airflow DV400 Entro XP44022/099 'A' energy ratingThe DV400 Entro is a highly efficient, side entry MVHR unit that can recover up to 93% of, otherwise wasted, heat. The unit is made with high density EPP material which provides significant insulation and eliminates thermal bridging. The DV400 uses low energy EC fans to minimise the units energy consumption and can help you reduce your energy bills. The unit has an easy to maintain plastic counterflow heat exchanger which prevents the airstreams from