Secondary Condensate Drain Line
Secondary Condensate Drain Line . This should allow the water to travel upwards and break up any clogs in the drain. Finally, rinse the line out with a little clean water. Secondary Condensate Drain Best Drain Photos from www.primagem.org Generally, you must install either secondary drain lines or a condensate overflow. The humidity on the evaporator coil either drains naturally or is forced out of the air conditioner. The water heater closet door opens on the outside side of the house.