Drain Pipe Hvac Condensate Drain Line Design

Condensate overflow due to a blocked drain may be caught by an overflow pan beneath the air.

Drain pipe hvac condensate drain line design.

If the condensate drain line is clogged you will need to use a wet dry vacuum or a special pump to unclog the line. This will kill any algae mold or mildew that has formed in the pipe. Drain s 2015 imc 307 2 2 requires that an air conditioning condensate drain inside diameter should not be smaller than in ch and should not be smaller than the drain pan outlet diameter. Three quarters of an inch is sufficient for up to 20 tons according to the imc unless the drain outlet size is larger than in ch use t able 307 2 2 for condensate pipe sizing.

Carson dunlop associates sketches left illustrate both acceptable and not recommended locations for the discharge of an air conditioner or heat pump condensate drain line discharge. Plumbing code citation for installation of air conditioning condensate drain piping. Just pour a cup of bleach in the drain line s access opening near the indoor air conditioning unit.