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.

Drain pipe hvac condensate drain line design.

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. This biological growth may migrate into the condensate drain line or the drain trap and form a blockage. 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. Just pour a cup of bleach in the drain line s access opening near the indoor air conditioning unit.

This will kill any algae mold or mildew that has formed in the pipe. Condensate switches imc 307 2 3 states that all hvac equipment that produces condensate must have either a secondary drain line or a condensate overflow switch a secondary drain pan with a secondary drain line or condensate switch or some combination of these installations should be used to prevent overflow if the primary drain line blocks. Plumbing code citation for installation of air conditioning condensate drain piping.