This product is not completely sealed. Air may enter depending on the operating conditions. Does not exhibit effectiveness in extreme circumstances of negative pressure inside rooms.
Springing out and sound occurs in drain chamber of the air reflux indoors from the drain hose by the pressure difference between indoor and outdoor in well-insulated and airtight houses. "Otome-Chan" is the back flow prevention valve can exhaust drain smo
Resolution of smell problems at business establishments doing drainage to sewage pipes, not rainwater pipes
On 2014-12-25 07:02:58
Currently, there are many cases where there is only wastewater drainage in the Tokyo metropolitan area building, and scientific reaction with wastewater ~ microorganism (= mold etc etc: polysaccharides and others) frequently melts the main parts of the air conditioner. «Many people who do not recognize» In this series (vertical type), I think that horizontal type is also indispensable.