FRÄNKISCHE introduces 900 W preheater for profi-air flat ventilation units
FRÄNKISCHE has added a 0.9 kW preheater (article 78312831) to its profi-air flat DN 125 ventilation range. The unit preheats outdoor air in the fresh-air duct of controlled residential ventilation, with switching governed by the frost-protection strategy in the ventilation controller.
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