Does a secondary condensation line need a trap?

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sdell99

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I'm looking to get a little clarification on the condensation line in the first picture. I just had a rheem high efficiency furnace replace my old goodman. This one ended up condensating too much and back flowed to the furnace and causing water to be in it. The company says its pretty common with these new high efficiency ones. In picture 2 it is inside the unit with the drain and trap that came with the furnace but I guess there was more further down the exhaust pipe. So this secondary drain was added further down to catch the remainder of the condensate and also go down to the pump. My question is does that one need a trap? The clear tube does run down and goes right into the water in the pump which i guess is sort of a trap in it self since that would block any air flow in or out. My concern is for any CO getting out into the room (I have a detector inside and one outside the room) which has no signs of any issues since it was added and been run. Also it has stopped the water issue. So was this done right or is there a better or even safer way they should have? The company claims it's safe and effective and I just want to make sure. Any advice is appreciated
 

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Fitter30

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I'm looking to get a little clarification on the condensation line in the first picture. I just had a rheem high efficiency furnace replace my old goodman. This one ended up condensating too much and back flowed to the furnace and causing water to be in it. The company says its pretty common with these new high efficiency ones. In picture 2 it is inside the unit with the drain and trap that came with the furnace but I guess there was more further down the exhaust pipe. So this secondary drain was added further down to catch the remainder of the condensate and also go down to the pump. My question is does that one need a trap? The clear tube does run down and goes right into the water in the pump which i guess is sort of a trap in it self since that would block any air flow in or out. My concern is for any CO getting out into the room (I have a detector inside and one outside the room) which has no signs of any issues since it was added and been run. Also it has stopped the water issue. So was this done right or is there a better or even safer way they should have? The company claims it's safe and effective and I just want to make sure. Any advice is appreciated
Compleate model number. How long is the flue and is it pitch backwards?
 
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