Condensate drainage connects to a specified air conditioning fan coil unit requiring a total inches static pressure plus two inches. The drain line incorporates a P-trap featuring a minimum three-inch dimension and a two-inch vertical offset, transitioning into a Type L copper piping vent extending twelve inches upwards. The horizontal drain line maintains a minimum pitch of one-eighth inch per foot toward the drain before discharging to the landscape, alongside a secondary pan drain daylighting through the ceiling.
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