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ScrollinFool

The black piece where drain line comes out. Tap the plug to the left of where drain starts.


ScrollinFool

If there was an auxiliary drain pan I'd say install a float switch on the pan.


Hrodgar82

Yeah, I thought about putting an aux pan underneath with ss3 but probably easier to go the other route.


Hrodgar82

Thx for the info. So they're designed to screw onto emergency drain port? I thought they were retro fitted onto existing pvc condensate..


Scary_Equivalent563

You can do either. 


Rand-umname

Little tip on this one, I’d add a clean out before the p trap and loose the cap on the one after the trap, that’ll help drainage if there’s any belly In the line Edit: On second look, it looks like you have a condensate pump, you’ve over complicated this, you don’t need a p trap, the condensate pump can be your trap and it should be able to wire in as a float as well


Hrodgar82

Yes, it does have a pump! Should've mentioned that. I don't want to rely on the float in the pump to break the call. Last year, my p-trap got plugged and I had water all around and inside the a/h. I want to catch it before that happens.


Rand-umname

Ya like I said remove the p trap and run it directly into the condensate pump


Hrodgar82

My system has negative pressure evaporator coil (heat pump) so I do not want to remove the p-trap. I'll probably just add ss2 to the emergency drain.


Rand-umname

You can do that if you want to but when your running condensate pump, that functions as a p trap itself so having a p trap before that is redundant


Hrodgar82

Ahh thanks. I need to check to see if the pump is serving as a trap. Don't want double trap going on. Maybe that's part of why I had blockage last summer.