Street elbow

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prashster

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A regular elbow has two 'female' ends.
A street has one 'female' and one 'male' end; it lets you connect directly to another fitting w/o having to put in a stub of pipe.
 

Amopower

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Ah that's cool. So you could hook up a valve right up to the street elbow and not worry about needing some length of straight pipe in between.
 

hj

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street ell

That is one use for it. But there are also dozens of other places they come in handy. One place you cannot use them is in a gas system if it is going to be inspected.
One thing to consider is that the opening in the street ell is much smaller than that in the piece of pipe it is replacing.
 
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CashMoneyPlumber

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Where does it say in the fuel gas code that street 90 fittings are not allowed on gas pipe? The fact that it will get inspected or not is irrelevant, the code is what we follow, not inspectors feelings. Please reference the code section that you are referring to. Thank you.
 

plumber69

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Where does it say in the fuel gas code that street 90 fittings are not allowed on gas pipe? The fact that it will get inspected or not is irrelevant, the code is what we follow, not inspectors feelings. Please reference the code section that you are referring to. Thank you.
Ive heard this to as well as close nipples. Bushings have a code to where you can use them if your going from a certain size to another. I think the reason for st 90s and close nipples is they are not as strong
 

Cool Blue Harley

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Where does it say in the fuel gas code that street 90 fittings are not allowed on gas pipe? The fact that it will get inspected or not is irrelevant, the code is what we follow, not inspectors feelings. Please reference the code section that you are referring to. Thank you.

They are allowed on a fuel gas system, as are bushings, nipples, unions, etc. As long as the piping is exposed.

They are not allowed on concealed fuel gas piping. On concealed fuel gas piping, the code specifically limits the fittings used to: elbows, tees, couplings, and right/left nipple/couplings.

Uniform Plumbing Code section 1210.3.1.

I am not familiar with the local codes you may have adopted in NYC.
 
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