Rate my Air Handler Condensate drain setup

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Giantsean

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Hi All,

I posted a thread last year (https://terrylove.com/forums/index.php?threads/problematic-a-c-condenser-attic-drain.105407/) to get some feedback on how to reconfigure my air handler condensate lines after two major leaks into the ceiling over time. Wanted to share what I did and get any additional feedback (never too late to tweak) before I wired it all up

In short I took the thread's advice to utilize both a RS EZ Trap and an RS Safe-T-Switch overflow on the secondary drain. The trap has a redundant switch built in which I figured could not hurt. I currently also have an pan overflow sensor but it was never very good (and pools toward the back) so my plan is to get some Ring or other water sensors places over the pan. I stuck a length of pipe on the short end of the trap to act as a vent (the line is not exposed to sewer gas). Also glued in some unions to be able to remove the assembly (and help keep the glue-up and install clean). Have never used before but so far so good.

The work also included temporarily supporting the unit from the rafters so that I could reposition the pan to enclose the trap assembly, whence it has leaked first every time it overflowed. It leaves less room in back corner where the water actually pools if it overflows but I have not yet seen it leak out the back or fan side so hopefully covered.

Had one other question... not sure if this Rectorseal fitting below is a custom job or if it can be bought separately (maybe as a reducer of some sort) - unlike a regular slip/MPT where you need a stub of pipe to fit between - this one fits right into the ID of the switch, so there is no raised lettering. Anyone know what it's called and a source?

Thanks as always for any advice!

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Giantsean

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we refer to a fitting that is inserted as spig (spigot) or ftg (fitting) https://www.pvcfittingsonline.com/3-4-sch-40-pvc-male-adapter-spig-x-mipt-461-007.html

But, on those closely spaced AC condensate hi/low outlets, I like to have enough stubbed out that I can unscrew the whole thing if necessary, if at all possible.
Thanks! I was certainly hoping not to have to buy a whole switch just to get a fitting!

So for the overflows, the secondary can be screwed out by removing the trap assembly using the union fittings (I made sure to leave clearance - amazingly it all fit!)
 
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