45 PVC elbow vent only?

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Kevin71246

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I see tons of questions about a 90 being vent only (short sweep), but can't find anything about a 45.

Is there a 45 elbow that's for a vent only, and not drain? In the attached screenshot, I'm wondering if the bottom 2 are for vent only? If not, what's the difference between the top 2 and the bottom 2? It seems the bottom 2 has more glueing surface which I prefer but not sure if I can use it. I'm in Chicago burbs btw.

Thanks all!
 

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Reach4

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Kevin71246

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DWV also means they have "radius" turns. Sch 40 fittings have "sharp" angle turns.

HJ, does your comment mean the bottom 2 "sch 40" fittings, being "sharp" turns, should not be used for drain? If so, what can they be used for? Only supply & vent? Thanks!
 

Cacher_Chick

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HJ, does your comment mean the bottom 2 "sch 40" fittings, being "sharp" turns, should not be used for drain? If so, what can they be used for? Only supply & vent? Thanks!

The bottom fittings are intended for use in supply lines, as in cold water supply from the curb stop or to an outbuilding. They would not nornally be used inside a structure.
 
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