Venmar 1601612 AVS Constructo 2.0 heat recovery ventilator with side ports. New removable terminal block to simplify optional wall controls connection. Microprocessor control allows elimination of numerous parts that are most likely to break down. Easy to maintain and repair, any part can be removed in less than 5 minutes. A variety of optional for ease of use and improved efficiency unique defrosting method, which creates no negative pressure. This air exchanger was purchased with a new modular home which was never installed or used. It is brand new. Paid $1200 new.
