Garbage disposal is not installed correctly. the middle one is t

Look the picture, you should figure out.
your U-trap of left side of sink should below garbage disposal.

https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRxqFQoTCKDNzqDyj8cCFcgXkgodt-0NUA&url=http%3A%2F%2F911plumbingheating.com%2Fgarbage-disposal-installation-repair%2F&ei=S-7AVeD7DsivyAS327eABQ&bvm=bv.99261572,d.aWw&psig=AFQjCNErzvKj1wke2HGNSlnVeev6wmdnuA&ust=1438793657298954

所有跟帖： 

• 对不起，大伙，先前忙着再去通水管了。厨房位置上方屋顶有vent。两水盆之间那白管是vent，vent上有cap. -NLandlord- ♀ (0 bytes) () 08/04/2015 postreply 11:13:34

• Vent 如果cap住就没通上屋顶呀 -咖啡- ♀ (0 bytes) () 08/04/2015 postreply 12:53:10