Originally Posted by
prat859
If you take a look at the installation guide for the Trane TAM style air handlers, they instruct to NOT trap the condensate drain. The TAM airhandlers have a positive pressure on the drain, no trap needed.
Here in Kentucky it is code that everything is trapped, we had a ton of issues with clogged condensate lines on new systems until we talked to Trane and they pointed this out to us. We had to leave the install book open with the section specifying the non-trapped drain circled in order to pass inspection.
Great looking work.