Plumbing · P-8V8ZJ

Condensate Drain From Equipment

Materials

Elements

Roofs Floors / Slabs Waterproofing / Flashing Drainage Connections / Plates

About this detail

Mechanical equipment connects to the condensate drain piping via a dielectric union where steel meets copper and a flexible braided bronze metal hose. The assembly includes a condensate trap with a threaded cleanout plug, a two-inch vent positioned a minimum of ten feet away from air handling unit outside air intakes, and a trap depth of seal sized to overcome operating static pressure plus one inch. The drain line features insulation on the trap and twenty feet of downstream piping, and terminates with an air gap over a floor sink or roof receptor equipped with a roof flashing and a half-inch trap primer line.

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