The DEFRO DRX 450 F heat recovery unit features a Flow Balancing system that helps reduce heating costs and allows maintaining uniform air flow rates. This system automatically stabilizes the incoming air, ensuring a constant flow. Additionally, the DEFRO DRX 450 F heat recovery unit has a 100% By-pass, which activates automatically and adjusts to the outside temperature, thus providing fresh and cool air continuously, which is very useful in the summer season. Properties and functions of the heat recovery unit: capacity up to 450m3/h, efficiency up to 95%, anti-freeze system - modulated pre-heater (AFC - ANTI FREEZE CONTROL).
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