High efficiency (up to 90%) Aluminium Heat Exchanger upgrade for the following Boulder Developments HRVU Units:
- DHV-15B
- DHV-25N
- DHV-35N
- DHV-50N
The Aluminium heat exchanger does require the unit to have a condensate drain installed.
Boulder Developments HRVU High Efficiency Heat Exchanger Up To 90% Efficient
£225.54 – £359.94 Inc. VAT
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